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Finding the Fourth Proportional to 539,444.13, 744,429.22 and 297,726.70

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Solution

The fourth proportional to 539,444.13, 744,429.22 and 297,726.70 is: 410,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,444.13 : 744,429.22 = 297,726.70 : x
  2. Step 2: Convert to fraction form
    539,444.13/744,429.22 = 297,726.70/x
  3. Step 3: Cross multiply
    539,444.13x = 744,429.22 × 297,726.70
  4. Step 4: Simplify right side
    539,444.13x = 221,636,455,054.17
  5. Step 5: Solve for x
    x = 221,636,455,054.17/539,444.13
  6. Step 6: Final answer
    x = 410,860.82

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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.