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Finding the Fourth Proportional to 591,703.20, 887,554.80 and 585,482.40

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Solution

The fourth proportional to 591,703.20, 887,554.80 and 585,482.40 is: 878,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,703.20 : 887,554.80 = 585,482.40 : x
  2. Step 2: Convert to fraction form
    591,703.20/887,554.80 = 585,482.40/x
  3. Step 3: Cross multiply
    591,703.20x = 887,554.80 × 585,482.40
  4. Step 4: Simplify right side
    591,703.20x = 519,647,714,435.52
  5. Step 5: Solve for x
    x = 519,647,714,435.52/591,703.20
  6. Step 6: Final answer
    x = 878,223.60

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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.