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Finding the Fourth Proportional to 666,784.76, 999,166.85 and 441,337.53

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Solution

The fourth proportional to 666,784.76, 999,166.85 and 441,337.53 is: 661,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,784.76 : 999,166.85 = 441,337.53 : x
  2. Step 2: Convert to fraction form
    666,784.76/999,166.85 = 441,337.53/x
  3. Step 3: Cross multiply
    666,784.76x = 999,166.85 × 441,337.53
  4. Step 4: Simplify right side
    666,784.76x = 440,969,829,636.88
  5. Step 5: Solve for x
    x = 440,969,829,636.88/666,784.76
  6. Step 6: Final answer
    x = 661,337.60

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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.