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Finding the Fourth Proportional to 360,263.81, 497,164.55 and 207,298.96

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Solution

The fourth proportional to 360,263.81, 497,164.55 and 207,298.96 is: 286,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,263.81 : 497,164.55 = 207,298.96 : x
  2. Step 2: Convert to fraction form
    360,263.81/497,164.55 = 207,298.96/x
  3. Step 3: Cross multiply
    360,263.81x = 497,164.55 × 207,298.96
  4. Step 4: Simplify right side
    360,263.81x = 103,061,691,884.46
  5. Step 5: Solve for x
    x = 103,061,691,884.46/360,263.81
  6. Step 6: Final answer
    x = 286,072.84

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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.