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Finding the Fourth Proportional to 583,348.10, 873,272.55 and 346,568.90

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Solution

The fourth proportional to 583,348.10, 873,272.55 and 346,568.90 is: 518,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,348.10 : 873,272.55 = 346,568.90 : x
  2. Step 2: Convert to fraction form
    583,348.10/873,272.55 = 346,568.90/x
  3. Step 3: Cross multiply
    583,348.10x = 873,272.55 × 346,568.90
  4. Step 4: Simplify right side
    583,348.10x = 302,649,107,053.70
  5. Step 5: Solve for x
    x = 302,649,107,053.70/583,348.10
  6. Step 6: Final answer
    x = 518,813.91

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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.