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Finding the Fourth Proportional to 372,101.60, 558,152.40 and 369,477.20

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Solution

The fourth proportional to 372,101.60, 558,152.40 and 369,477.20 is: 554,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,101.60 : 558,152.40 = 369,477.20 : x
  2. Step 2: Convert to fraction form
    372,101.60/558,152.40 = 369,477.20/x
  3. Step 3: Cross multiply
    372,101.60x = 558,152.40 × 369,477.20
  4. Step 4: Simplify right side
    372,101.60x = 206,224,585,925.28
  5. Step 5: Solve for x
    x = 206,224,585,925.28/372,101.60
  6. Step 6: Final answer
    x = 554,215.80

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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.