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Finding the Fourth Proportional to 504,596.01, 696,316.96 and 286,798.98

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Solution

The fourth proportional to 504,596.01, 696,316.96 and 286,798.98 is: 395,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,596.01 : 696,316.96 = 286,798.98 : x
  2. Step 2: Convert to fraction form
    504,596.01/696,316.96 = 286,798.98/x
  3. Step 3: Cross multiply
    504,596.01x = 696,316.96 × 286,798.98
  4. Step 4: Simplify right side
    504,596.01x = 199,702,993,884.70
  5. Step 5: Solve for x
    x = 199,702,993,884.70/504,596.01
  6. Step 6: Final answer
    x = 395,768.08

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.