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Finding the Fourth Proportional to 1,877,073.03, 2,815,609.50 and 865,895.81

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Solution

The fourth proportional to 1,877,073.03, 2,815,609.50 and 865,895.81 is: 1,298,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,073.03 : 2,815,609.50 = 865,895.81 : x
  2. Step 2: Convert to fraction form
    1,877,073.03/2,815,609.50 = 865,895.81/x
  3. Step 3: Cross multiply
    1,877,073.03x = 2,815,609.50 × 865,895.81
  4. Step 4: Simplify right side
    1,877,073.03x = 2,438,024,470,405.95
  5. Step 5: Solve for x
    x = 2,438,024,470,405.95/1,877,073.03
  6. Step 6: Final answer
    x = 1,298,843.70

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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.