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Finding the Fourth Proportional to 577,084.80, 865,627.20 and 549,528.60

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Solution

The fourth proportional to 577,084.80, 865,627.20 and 549,528.60 is: 824,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,084.80 : 865,627.20 = 549,528.60 : x
  2. Step 2: Convert to fraction form
    577,084.80/865,627.20 = 549,528.60/x
  3. Step 3: Cross multiply
    577,084.80x = 865,627.20 × 549,528.60
  4. Step 4: Simplify right side
    577,084.80x = 475,686,903,337.92
  5. Step 5: Solve for x
    x = 475,686,903,337.92/577,084.80
  6. Step 6: Final answer
    x = 824,292.90

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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.