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Finding the Fourth Proportional to 539,602.46, 744,653.78 and 297,887.02

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Solution

The fourth proportional to 539,602.46, 744,653.78 and 297,887.02 is: 411,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,602.46 : 744,653.78 = 297,887.02 : x
  2. Step 2: Convert to fraction form
    539,602.46/744,653.78 = 297,887.02/x
  3. Step 3: Cross multiply
    539,602.46x = 744,653.78 × 297,887.02
  4. Step 4: Simplify right side
    539,602.46x = 221,822,692,104.87
  5. Step 5: Solve for x
    x = 221,822,692,104.87/539,602.46
  6. Step 6: Final answer
    x = 411,085.40

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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.