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Finding the Fourth Proportional to 632,666.76, 873,080.08 and 346,186.82

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Solution

The fourth proportional to 632,666.76, 873,080.08 and 346,186.82 is: 477,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,666.76 : 873,080.08 = 346,186.82 : x
  2. Step 2: Convert to fraction form
    632,666.76/873,080.08 = 346,186.82/x
  3. Step 3: Cross multiply
    632,666.76x = 873,080.08 × 346,186.82
  4. Step 4: Simplify right side
    632,666.76x = 302,248,816,500.55
  5. Step 5: Solve for x
    x = 302,248,816,500.55/632,666.76
  6. Step 6: Final answer
    x = 477,737.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.