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Finding the Fourth Proportional to 585,332.74, 807,742.66 and 343,611.46

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Solution

The fourth proportional to 585,332.74, 807,742.66 and 343,611.46 is: 474,174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,332.74 : 807,742.66 = 343,611.46 : x
  2. Step 2: Convert to fraction form
    585,332.74/807,742.66 = 343,611.46/x
  3. Step 3: Cross multiply
    585,332.74x = 807,742.66 × 343,611.46
  4. Step 4: Simplify right side
    585,332.74x = 277,549,634,706.88
  5. Step 5: Solve for x
    x = 277,549,634,706.88/585,332.74
  6. Step 6: Final answer
    x = 474,174.12

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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.