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Finding the Fourth Proportional to 611,562.60, 917,343.90 and 162,282.60

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Solution

The fourth proportional to 611,562.60, 917,343.90 and 162,282.60 is: 243,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,562.60 : 917,343.90 = 162,282.60 : x
  2. Step 2: Convert to fraction form
    611,562.60/917,343.90 = 162,282.60/x
  3. Step 3: Cross multiply
    611,562.60x = 917,343.90 × 162,282.60
  4. Step 4: Simplify right side
    611,562.60x = 148,868,953,186.14
  5. Step 5: Solve for x
    x = 148,868,953,186.14/611,562.60
  6. Step 6: Final answer
    x = 243,423.90

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Similar ratio
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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.