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Finding the Fourth Proportional to 356,466.90, 534,700.76 and 107,148.90

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Solution

The fourth proportional to 356,466.90, 534,700.76 and 107,148.90 is: 160,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,466.90 : 534,700.76 = 107,148.90 : x
  2. Step 2: Convert to fraction form
    356,466.90/534,700.76 = 107,148.90/x
  3. Step 3: Cross multiply
    356,466.90x = 534,700.76 × 107,148.90
  4. Step 4: Simplify right side
    356,466.90x = 57,292,597,727.42
  5. Step 5: Solve for x
    x = 57,292,597,727.42/356,466.90
  6. Step 6: Final answer
    x = 160,723.47

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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.