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Finding the Fourth Proportional to 564,360.68, 846,566.94 and 143,640.20

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Solution

The fourth proportional to 564,360.68, 846,566.94 and 143,640.20 is: 215,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,360.68 : 846,566.94 = 143,640.20 : x
  2. Step 2: Convert to fraction form
    564,360.68/846,566.94 = 143,640.20/x
  3. Step 3: Cross multiply
    564,360.68x = 846,566.94 × 143,640.20
  4. Step 4: Simplify right side
    564,360.68x = 121,601,044,574.99
  5. Step 5: Solve for x
    x = 121,601,044,574.99/564,360.68
  6. Step 6: Final answer
    x = 215,466.90

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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.