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Finding the Fourth Proportional to 440,177.40, 660,071.70 and 173,849.40

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Solution

The fourth proportional to 440,177.40, 660,071.70 and 173,849.40 is: 260,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,177.40 : 660,071.70 = 173,849.40 : x
  2. Step 2: Convert to fraction form
    440,177.40/660,071.70 = 173,849.40/x
  3. Step 3: Cross multiply
    440,177.40x = 660,071.70 × 173,849.40
  4. Step 4: Simplify right side
    440,177.40x = 114,753,069,001.98
  5. Step 5: Solve for x
    x = 114,753,069,001.98/440,177.40
  6. Step 6: Final answer
    x = 260,697.32

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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.