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Finding the Fourth Proportional to 346,510.48, 519,765.76 and 83,854.48

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Solution

The fourth proportional to 346,510.48, 519,765.76 and 83,854.48 is: 125,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,510.48 : 519,765.76 = 83,854.48 : x
  2. Step 2: Convert to fraction form
    346,510.48/519,765.76 = 83,854.48/x
  3. Step 3: Cross multiply
    346,510.48x = 519,765.76 × 83,854.48
  4. Step 4: Simplify right side
    346,510.48x = 43,584,687,526.60
  5. Step 5: Solve for x
    x = 43,584,687,526.60/346,510.48
  6. Step 6: Final answer
    x = 125,781.73

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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.