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Finding the Fourth Proportional to 577,117.10, 865,675.65 and 364,540.70

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Solution

The fourth proportional to 577,117.10, 865,675.65 and 364,540.70 is: 546,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,117.10 : 865,675.65 = 364,540.70 : x
  2. Step 2: Convert to fraction form
    577,117.10/865,675.65 = 364,540.70/x
  3. Step 3: Cross multiply
    577,117.10x = 865,675.65 × 364,540.70
  4. Step 4: Simplify right side
    577,117.10x = 315,574,007,423.96
  5. Step 5: Solve for x
    x = 315,574,007,423.96/577,117.10
  6. Step 6: Final answer
    x = 546,811.05

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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.