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Finding the Fourth Proportional to 539,590.14, 744,581.34 and 297,857.16

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Solution

The fourth proportional to 539,590.14, 744,581.34 and 297,857.16 is: 411,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,590.14 : 744,581.34 = 297,857.16 : x
  2. Step 2: Convert to fraction form
    539,590.14/744,581.34 = 297,857.16/x
  3. Step 3: Cross multiply
    539,590.14x = 744,581.34 × 297,857.16
  4. Step 4: Simplify right side
    539,590.14x = 221,778,883,321.39
  5. Step 5: Solve for x
    x = 221,778,883,321.39/539,590.14
  6. Step 6: Final answer
    x = 411,013.60

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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.