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Finding the Fourth Proportional to 539,444.01, 744,429.07 and 297,726.58

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Solution

The fourth proportional to 539,444.01, 744,429.07 and 297,726.58 is: 410,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,444.01 : 744,429.07 = 297,726.58 : x
  2. Step 2: Convert to fraction form
    539,444.01/744,429.07 = 297,726.58/x
  3. Step 3: Cross multiply
    539,444.01x = 744,429.07 × 297,726.58
  4. Step 4: Simplify right side
    539,444.01x = 221,636,322,366.38
  5. Step 5: Solve for x
    x = 221,636,322,366.38/539,444.01
  6. Step 6: Final answer
    x = 410,860.66

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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.