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Finding the Fourth Proportional to 363,868.20, 545,802.30 and 348,510.60

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Solution

The fourth proportional to 363,868.20, 545,802.30 and 348,510.60 is: 522,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,868.20 : 545,802.30 = 348,510.60 : x
  2. Step 2: Convert to fraction form
    363,868.20/545,802.30 = 348,510.60/x
  3. Step 3: Cross multiply
    363,868.20x = 545,802.30 × 348,510.60
  4. Step 4: Simplify right side
    363,868.20x = 190,217,887,054.38
  5. Step 5: Solve for x
    x = 190,217,887,054.38/363,868.20
  6. Step 6: Final answer
    x = 522,765.90

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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.