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Finding the Fourth Proportional to 370,087.60, 555,001.80 and 192,535.60

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Solution

The fourth proportional to 370,087.60, 555,001.80 and 192,535.60 is: 288,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,087.60 : 555,001.80 = 192,535.60 : x
  2. Step 2: Convert to fraction form
    370,087.60/555,001.80 = 192,535.60/x
  3. Step 3: Cross multiply
    370,087.60x = 555,001.80 × 192,535.60
  4. Step 4: Simplify right side
    370,087.60x = 106,857,604,564.08
  5. Step 5: Solve for x
    x = 106,857,604,564.08/370,087.60
  6. Step 6: Final answer
    x = 288,735.98

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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.