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Finding the Fourth Proportional to 417,681.40, 626,522.10 and 240,734.20

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Solution

The fourth proportional to 417,681.40, 626,522.10 and 240,734.20 is: 361,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,681.40 : 626,522.10 = 240,734.20 : x
  2. Step 2: Convert to fraction form
    417,681.40/626,522.10 = 240,734.20/x
  3. Step 3: Cross multiply
    417,681.40x = 626,522.10 × 240,734.20
  4. Step 4: Simplify right side
    417,681.40x = 150,825,296,525.82
  5. Step 5: Solve for x
    x = 150,825,296,525.82/417,681.40
  6. Step 6: Final answer
    x = 361,101.30

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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.