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Finding the Fourth Proportional to 567,390.61, 851,210.46 and 168,062.63

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Solution

The fourth proportional to 567,390.61, 851,210.46 and 168,062.63 is: 252,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,390.61 : 851,210.46 = 168,062.63 : x
  2. Step 2: Convert to fraction form
    567,390.61/851,210.46 = 168,062.63/x
  3. Step 3: Cross multiply
    567,390.61x = 851,210.46 × 168,062.63
  4. Step 4: Simplify right side
    567,390.61x = 143,056,668,591.11
  5. Step 5: Solve for x
    x = 143,056,668,591.11/567,390.61
  6. Step 6: Final answer
    x = 252,130.84

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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.