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Finding the Fourth Proportional to 610,343.64, 915,340.50 and 183,920.76

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Solution

The fourth proportional to 610,343.64, 915,340.50 and 183,920.76 is: 275,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,343.64 : 915,340.50 = 183,920.76 : x
  2. Step 2: Convert to fraction form
    610,343.64/915,340.50 = 183,920.76/x
  3. Step 3: Cross multiply
    610,343.64x = 915,340.50 × 183,920.76
  4. Step 4: Simplify right side
    610,343.64x = 168,350,120,418.78
  5. Step 5: Solve for x
    x = 168,350,120,418.78/610,343.64
  6. Step 6: Final answer
    x = 275,828.42

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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.