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Finding the Fourth Proportional to 832,853.60, 1,249,863.60 and 534,060.80

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Solution

The fourth proportional to 832,853.60, 1,249,863.60 and 534,060.80 is: 801,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,853.60 : 1,249,863.60 = 534,060.80 : x
  2. Step 2: Convert to fraction form
    832,853.60/1,249,863.60 = 534,060.80/x
  3. Step 3: Cross multiply
    832,853.60x = 1,249,863.60 × 534,060.80
  4. Step 4: Simplify right side
    832,853.60x = 667,503,154,106.88
  5. Step 5: Solve for x
    x = 667,503,154,106.88/832,853.60
  6. Step 6: Final answer
    x = 801,465.17

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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.