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Finding the Fourth Proportional to 539,747.38, 744,914.55 and 448,943.14

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Solution

The fourth proportional to 539,747.38, 744,914.55 and 448,943.14 is: 619,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,747.38 : 744,914.55 = 448,943.14 : x
  2. Step 2: Convert to fraction form
    539,747.38/744,914.55 = 448,943.14/x
  3. Step 3: Cross multiply
    539,747.38x = 744,914.55 × 448,943.14
  4. Step 4: Simplify right side
    539,747.38x = 334,424,277,108.69
  5. Step 5: Solve for x
    x = 334,424,277,108.69/539,747.38
  6. Step 6: Final answer
    x = 619,594.07

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Double scale
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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.