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Finding the Fourth Proportional to 527,990.04, 790,672.74 and 369,476.76

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Solution

The fourth proportional to 527,990.04, 790,672.74 and 369,476.76 is: 553,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,990.04 : 790,672.74 = 369,476.76 : x
  2. Step 2: Convert to fraction form
    527,990.04/790,672.74 = 369,476.76/x
  3. Step 3: Cross multiply
    527,990.04x = 790,672.74 × 369,476.76
  4. Step 4: Simplify right side
    527,990.04x = 292,135,202,195.52
  5. Step 5: Solve for x
    x = 292,135,202,195.52/527,990.04
  6. Step 6: Final answer
    x = 553,296.80

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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.