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Finding the Fourth Proportional to 584,398.80, 875,968.56 and 285,081.12

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Solution

The fourth proportional to 584,398.80, 875,968.56 and 285,081.12 is: 427,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,398.80 : 875,968.56 = 285,081.12 : x
  2. Step 2: Convert to fraction form
    584,398.80/875,968.56 = 285,081.12/x
  3. Step 3: Cross multiply
    584,398.80x = 875,968.56 × 285,081.12
  4. Step 4: Simplify right side
    584,398.80x = 249,722,098,169.59
  5. Step 5: Solve for x
    x = 249,722,098,169.59/584,398.80
  6. Step 6: Final answer
    x = 427,314.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.