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Finding the Fourth Proportional to 583,428.20, 875,142.30 and 441,710.60

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Solution

The fourth proportional to 583,428.20, 875,142.30 and 441,710.60 is: 662,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,428.20 : 875,142.30 = 441,710.60 : x
  2. Step 2: Convert to fraction form
    583,428.20/875,142.30 = 441,710.60/x
  3. Step 3: Cross multiply
    583,428.20x = 875,142.30 × 441,710.60
  4. Step 4: Simplify right side
    583,428.20x = 386,559,630,418.38
  5. Step 5: Solve for x
    x = 386,559,630,418.38/583,428.20
  6. Step 6: Final answer
    x = 662,565.90

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Double scale
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Similar ratio
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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.