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Finding the Fourth Proportional to 522,003.65, 783,005.48 and 417,027.65

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Solution

The fourth proportional to 522,003.65, 783,005.48 and 417,027.65 is: 625,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,003.65 : 783,005.48 = 417,027.65 : x
  2. Step 2: Convert to fraction form
    522,003.65/783,005.48 = 417,027.65/x
  3. Step 3: Cross multiply
    522,003.65x = 783,005.48 × 417,027.65
  4. Step 4: Simplify right side
    522,003.65x = 326,534,933,176.38
  5. Step 5: Solve for x
    x = 326,534,933,176.38/522,003.65
  6. Step 6: Final answer
    x = 625,541.48

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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.