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Finding the Fourth Proportional to 362,805.12, 501,146.88 and 249,431.04

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Solution

The fourth proportional to 362,805.12, 501,146.88 and 249,431.04 is: 344,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,805.12 : 501,146.88 = 249,431.04 : x
  2. Step 2: Convert to fraction form
    362,805.12/501,146.88 = 249,431.04/x
  3. Step 3: Cross multiply
    362,805.12x = 501,146.88 × 249,431.04
  4. Step 4: Simplify right side
    362,805.12x = 125,001,587,471.16
  5. Step 5: Solve for x
    x = 125,001,587,471.16/362,805.12
  6. Step 6: Final answer
    x = 344,541.96

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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.