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Finding the Fourth Proportional to 660,802, 991,199.76 and 187,488.24

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Solution

The fourth proportional to 660,802, 991,199.76 and 187,488.24 is: 281,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,802 : 991,199.76 = 187,488.24 : x
  2. Step 2: Convert to fraction form
    660,802/991,199.76 = 187,488.24/x
  3. Step 3: Cross multiply
    660,802x = 991,199.76 × 187,488.24
  4. Step 4: Simplify right side
    660,802x = 185,838,298,490.82
  5. Step 5: Solve for x
    x = 185,838,298,490.82/660,802
  6. Step 6: Final answer
    x = 281,231.44

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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.