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Finding the Fourth Proportional to 566,114.54, 849,171.80 and 145,390.82

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Solution

The fourth proportional to 566,114.54, 849,171.80 and 145,390.82 is: 218,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,114.54 : 849,171.80 = 145,390.82 : x
  2. Step 2: Convert to fraction form
    566,114.54/849,171.80 = 145,390.82/x
  3. Step 3: Cross multiply
    566,114.54x = 849,171.80 × 145,390.82
  4. Step 4: Simplify right side
    566,114.54x = 123,461,780,440.49
  5. Step 5: Solve for x
    x = 123,461,780,440.49/566,114.54
  6. Step 6: Final answer
    x = 218,086.22

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Double scale
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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.