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Finding the Fourth Proportional to 372,901.60, 559,352.40 and 370,277.20

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Solution

The fourth proportional to 372,901.60, 559,352.40 and 370,277.20 is: 555,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,901.60 : 559,352.40 = 370,277.20 : x
  2. Step 2: Convert to fraction form
    372,901.60/559,352.40 = 370,277.20/x
  3. Step 3: Cross multiply
    372,901.60x = 559,352.40 × 370,277.20
  4. Step 4: Simplify right side
    372,901.60x = 207,115,440,485.28
  5. Step 5: Solve for x
    x = 207,115,440,485.28/372,901.60
  6. Step 6: Final answer
    x = 555,415.80

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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.