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Finding the Fourth Proportional to 532,343.44, 797,707.20 and 390,283.30

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Solution

The fourth proportional to 532,343.44, 797,707.20 and 390,283.30 is: 584,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,343.44 : 797,707.20 = 390,283.30 : x
  2. Step 2: Convert to fraction form
    532,343.44/797,707.20 = 390,283.30/x
  3. Step 3: Cross multiply
    532,343.44x = 797,707.20 × 390,283.30
  4. Step 4: Simplify right side
    532,343.44x = 311,331,798,449.76
  5. Step 5: Solve for x
    x = 311,331,798,449.76/532,343.44
  6. Step 6: Final answer
    x = 584,832.60

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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.