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Finding the Fourth Proportional to 539,513.80, 744,547.08 and 294,513.10

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Solution

The fourth proportional to 539,513.80, 744,547.08 and 294,513.10 is: 406,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,513.80 : 744,547.08 = 294,513.10 : x
  2. Step 2: Convert to fraction form
    539,513.80/744,547.08 = 294,513.10/x
  3. Step 3: Cross multiply
    539,513.80x = 744,547.08 × 294,513.10
  4. Step 4: Simplify right side
    539,513.80x = 219,278,868,626.75
  5. Step 5: Solve for x
    x = 219,278,868,626.75/539,513.80
  6. Step 6: Final answer
    x = 406,437.92

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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.