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Finding the Fourth Proportional to 583,107.40, 875,006.70 and 383,998.60

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Solution

The fourth proportional to 583,107.40, 875,006.70 and 383,998.60 is: 576,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,107.40 : 875,006.70 = 383,998.60 : x
  2. Step 2: Convert to fraction form
    583,107.40/875,006.70 = 383,998.60/x
  3. Step 3: Cross multiply
    583,107.40x = 875,006.70 × 383,998.60
  4. Step 4: Simplify right side
    583,107.40x = 336,001,347,790.62
  5. Step 5: Solve for x
    x = 336,001,347,790.62/583,107.40
  6. Step 6: Final answer
    x = 576,225.49

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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.