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Finding the Fourth Proportional to 539,271.71, 744,210.54 and 297,569.84

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Solution

The fourth proportional to 539,271.71, 744,210.54 and 297,569.84 is: 410,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,271.71 : 744,210.54 = 297,569.84 : x
  2. Step 2: Convert to fraction form
    539,271.71/744,210.54 = 297,569.84/x
  3. Step 3: Cross multiply
    539,271.71x = 744,210.54 × 297,569.84
  4. Step 4: Simplify right side
    539,271.71x = 221,454,613,174.64
  5. Step 5: Solve for x
    x = 221,454,613,174.64/539,271.71
  6. Step 6: Final answer
    x = 410,654.98

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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.