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Finding the Fourth Proportional to 357,092.88, 535,670.76 and 132,455.76

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Solution

The fourth proportional to 357,092.88, 535,670.76 and 132,455.76 is: 198,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,092.88 : 535,670.76 = 132,455.76 : x
  2. Step 2: Convert to fraction form
    357,092.88/535,670.76 = 132,455.76/x
  3. Step 3: Cross multiply
    357,092.88x = 535,670.76 × 132,455.76
  4. Step 4: Simplify right side
    357,092.88x = 70,952,677,625.58
  5. Step 5: Solve for x
    x = 70,952,677,625.58/357,092.88
  6. Step 6: Final answer
    x = 198,695.30

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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.