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Finding the Fourth Proportional to 610,558.29, 915,607.40 and 255,596.85

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Solution

The fourth proportional to 610,558.29, 915,607.40 and 255,596.85 is: 383,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,558.29 : 915,607.40 = 255,596.85 : x
  2. Step 2: Convert to fraction form
    610,558.29/915,607.40 = 255,596.85/x
  3. Step 3: Cross multiply
    610,558.29x = 915,607.40 × 255,596.85
  4. Step 4: Simplify right side
    610,558.29x = 234,026,365,998.71
  5. Step 5: Solve for x
    x = 234,026,365,998.71/610,558.29
  6. Step 6: Final answer
    x = 383,298.97

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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.