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Finding the Fourth Proportional to 539,603.56, 744,654.52 and 294,588.71

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Solution

The fourth proportional to 539,603.56, 744,654.52 and 294,588.71 is: 406,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,603.56 : 744,654.52 = 294,588.71 : x
  2. Step 2: Convert to fraction form
    539,603.56/744,654.52 = 294,588.71/x
  3. Step 3: Cross multiply
    539,603.56x = 744,654.52 × 294,588.71
  4. Step 4: Simplify right side
    539,603.56x = 219,366,813,879.89
  5. Step 5: Solve for x
    x = 219,366,813,879.89/539,603.56
  6. Step 6: Final answer
    x = 406,533.30

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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.