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Finding the Fourth Proportional to 564,005.40, 846,008.10 and 351,115.80

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Solution

The fourth proportional to 564,005.40, 846,008.10 and 351,115.80 is: 526,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,005.40 : 846,008.10 = 351,115.80 : x
  2. Step 2: Convert to fraction form
    564,005.40/846,008.10 = 351,115.80/x
  3. Step 3: Cross multiply
    564,005.40x = 846,008.10 × 351,115.80
  4. Step 4: Simplify right side
    564,005.40x = 297,046,810,837.98
  5. Step 5: Solve for x
    x = 297,046,810,837.98/564,005.40
  6. Step 6: Final answer
    x = 526,673.70

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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.