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Finding the Fourth Proportional to 992,956.70, 1,486,482.60 and 992,956.70

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Solution

The fourth proportional to 992,956.70, 1,486,482.60 and 992,956.70 is: 1,486,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,956.70 : 1,486,482.60 = 992,956.70 : x
  2. Step 2: Convert to fraction form
    992,956.70/1,486,482.60 = 992,956.70/x
  3. Step 3: Cross multiply
    992,956.70x = 1,486,482.60 × 992,956.70
  4. Step 4: Simplify right side
    992,956.70x = 1,476,012,857,103.42
  5. Step 5: Solve for x
    x = 1,476,012,857,103.42/992,956.70
  6. Step 6: Final answer
    x = 1,486,482.60

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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.