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Finding the Fourth Proportional to 996,368.76, 1,375,019.22 and 566,710.76

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Solution

The fourth proportional to 996,368.76, 1,375,019.22 and 566,710.76 is: 782,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,368.76 : 1,375,019.22 = 566,710.76 : x
  2. Step 2: Convert to fraction form
    996,368.76/1,375,019.22 = 566,710.76/x
  3. Step 3: Cross multiply
    996,368.76x = 1,375,019.22 × 566,710.76
  4. Step 4: Simplify right side
    996,368.76x = 779,238,187,180.81
  5. Step 5: Solve for x
    x = 779,238,187,180.81/996,368.76
  6. Step 6: Final answer
    x = 782,078.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.