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Finding the Fourth Proportional to 564,369.68, 846,580.44 and 143,649.20

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Solution

The fourth proportional to 564,369.68, 846,580.44 and 143,649.20 is: 215,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,369.68 : 846,580.44 = 143,649.20 : x
  2. Step 2: Convert to fraction form
    564,369.68/846,580.44 = 143,649.20/x
  3. Step 3: Cross multiply
    564,369.68x = 846,580.44 × 143,649.20
  4. Step 4: Simplify right side
    564,369.68x = 121,610,602,941.65
  5. Step 5: Solve for x
    x = 121,610,602,941.65/564,369.68
  6. Step 6: Final answer
    x = 215,480.40

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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.