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Finding the Fourth Proportional to 996,630.16, 1,375,330.41 and 543,924.40

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Solution

The fourth proportional to 996,630.16, 1,375,330.41 and 543,924.40 is: 750,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,630.16 : 1,375,330.41 = 543,924.40 : x
  2. Step 2: Convert to fraction form
    996,630.16/1,375,330.41 = 543,924.40/x
  3. Step 3: Cross multiply
    996,630.16x = 1,375,330.41 × 543,924.40
  4. Step 4: Simplify right side
    996,630.16x = 748,075,768,061.00
  5. Step 5: Solve for x
    x = 748,075,768,061.00/996,630.16
  6. Step 6: Final answer
    x = 750,605.19

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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.