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Finding the Fourth Proportional to 560,876.40, 841,314.60 and 161,530.20

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Solution

The fourth proportional to 560,876.40, 841,314.60 and 161,530.20 is: 242,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,876.40 : 841,314.60 = 161,530.20 : x
  2. Step 2: Convert to fraction form
    560,876.40/841,314.60 = 161,530.20/x
  3. Step 3: Cross multiply
    560,876.40x = 841,314.60 × 161,530.20
  4. Step 4: Simplify right side
    560,876.40x = 135,897,715,600.92
  5. Step 5: Solve for x
    x = 135,897,715,600.92/560,876.40
  6. Step 6: Final answer
    x = 242,295.30

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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.