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Finding the Fourth Proportional to 669,641.04, 924,111.36 and 363,723.39

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Solution

The fourth proportional to 669,641.04, 924,111.36 and 363,723.39 is: 501,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,641.04 : 924,111.36 = 363,723.39 : x
  2. Step 2: Convert to fraction form
    669,641.04/924,111.36 = 363,723.39/x
  3. Step 3: Cross multiply
    669,641.04x = 924,111.36 × 363,723.39
  4. Step 4: Simplify right side
    669,641.04x = 336,120,916,596.71
  5. Step 5: Solve for x
    x = 336,120,916,596.71/669,641.04
  6. Step 6: Final answer
    x = 501,941.93

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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.