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Finding the Fourth Proportional to 912,877.04, 1,259,763 and 510,469.04

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Solution

The fourth proportional to 912,877.04, 1,259,763 and 510,469.04 is: 704,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,877.04 : 1,259,763 = 510,469.04 : x
  2. Step 2: Convert to fraction form
    912,877.04/1,259,763 = 510,469.04/x
  3. Step 3: Cross multiply
    912,877.04x = 1,259,763 × 510,469.04
  4. Step 4: Simplify right side
    912,877.04x = 643,070,009,237.52
  5. Step 5: Solve for x
    x = 643,070,009,237.52/912,877.04
  6. Step 6: Final answer
    x = 704,443.18

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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.