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Finding the Fourth Proportional to 532,367.74, 797,743.50 and 390,307.60

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Solution

The fourth proportional to 532,367.74, 797,743.50 and 390,307.60 is: 584,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,367.74 : 797,743.50 = 390,307.60 : x
  2. Step 2: Convert to fraction form
    532,367.74/797,743.50 = 390,307.60/x
  3. Step 3: Cross multiply
    532,367.74x = 797,743.50 × 390,307.60
  4. Step 4: Simplify right side
    532,367.74x = 311,365,350,900.60
  5. Step 5: Solve for x
    x = 311,365,350,900.60/532,367.74
  6. Step 6: Final answer
    x = 584,868.93

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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.