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Finding the Fourth Proportional to 577,416.60, 865,541.70 and 262,099.80

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Solution

The fourth proportional to 577,416.60, 865,541.70 and 262,099.80 is: 392,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,416.60 : 865,541.70 = 262,099.80 : x
  2. Step 2: Convert to fraction form
    577,416.60/865,541.70 = 262,099.80/x
  3. Step 3: Cross multiply
    577,416.60x = 865,541.70 × 262,099.80
  4. Step 4: Simplify right side
    577,416.60x = 226,858,306,461.66
  5. Step 5: Solve for x
    x = 226,858,306,461.66/577,416.60
  6. Step 6: Final answer
    x = 392,884.98

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1.5x scale

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.