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Finding the Fourth Proportional to 577,043.10, 865,564.65 and 549,486.90

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Solution

The fourth proportional to 577,043.10, 865,564.65 and 549,486.90 is: 824,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,043.10 : 865,564.65 = 549,486.90 : x
  2. Step 2: Convert to fraction form
    577,043.10/865,564.65 = 549,486.90/x
  3. Step 3: Cross multiply
    577,043.10x = 865,564.65 × 549,486.90
  4. Step 4: Simplify right side
    577,043.10x = 475,616,436,278.09
  5. Step 5: Solve for x
    x = 475,616,436,278.09/577,043.10
  6. Step 6: Final answer
    x = 824,230.35

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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.