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Finding the Fourth Proportional to 576,070.83, 864,106.11 and 155,346.57

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Solution

The fourth proportional to 576,070.83, 864,106.11 and 155,346.57 is: 233,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,070.83 : 864,106.11 = 155,346.57 : x
  2. Step 2: Convert to fraction form
    576,070.83/864,106.11 = 155,346.57/x
  3. Step 3: Cross multiply
    576,070.83x = 864,106.11 × 155,346.57
  4. Step 4: Simplify right side
    576,070.83x = 134,235,920,304.54
  5. Step 5: Solve for x
    x = 134,235,920,304.54/576,070.83
  6. Step 6: Final answer
    x = 233,019.82

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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.