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Finding the Fourth Proportional to 539,176.04, 744,065.40 and 297,458.52

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Solution

The fourth proportional to 539,176.04, 744,065.40 and 297,458.52 is: 410,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,176.04 : 744,065.40 = 297,458.52 : x
  2. Step 2: Convert to fraction form
    539,176.04/744,065.40 = 297,458.52/x
  3. Step 3: Cross multiply
    539,176.04x = 744,065.40 × 297,458.52
  4. Step 4: Simplify right side
    539,176.04x = 221,328,592,667.21
  5. Step 5: Solve for x
    x = 221,328,592,667.21/539,176.04
  6. Step 6: Final answer
    x = 410,494.12

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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.