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Finding the Fourth Proportional to 584,790.57, 876,693.78 and 285,116.90

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Solution

The fourth proportional to 584,790.57, 876,693.78 and 285,116.90 is: 427,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,790.57 : 876,693.78 = 285,116.90 : x
  2. Step 2: Convert to fraction form
    584,790.57/876,693.78 = 285,116.90/x
  3. Step 3: Cross multiply
    584,790.57x = 876,693.78 × 285,116.90
  4. Step 4: Simplify right side
    584,790.57x = 249,960,208,419.41
  5. Step 5: Solve for x
    x = 249,960,208,419.41/584,790.57
  6. Step 6: Final answer
    x = 427,435.43

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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.