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Finding the Fourth Proportional to 363,887.70, 545,831.55 and 348,530.10

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Solution

The fourth proportional to 363,887.70, 545,831.55 and 348,530.10 is: 522,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,887.70 : 545,831.55 = 348,530.10 : x
  2. Step 2: Convert to fraction form
    363,887.70/545,831.55 = 348,530.10/x
  3. Step 3: Cross multiply
    363,887.70x = 545,831.55 × 348,530.10
  4. Step 4: Simplify right side
    363,887.70x = 190,238,724,704.66
  5. Step 5: Solve for x
    x = 190,238,724,704.66/363,887.70
  6. Step 6: Final answer
    x = 522,795.15

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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.