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Finding the Fourth Proportional to 585,060.42, 807,126.21 and 343,220.34

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Solution

The fourth proportional to 585,060.42, 807,126.21 and 343,220.34 is: 473,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,060.42 : 807,126.21 = 343,220.34 : x
  2. Step 2: Convert to fraction form
    585,060.42/807,126.21 = 343,220.34/x
  3. Step 3: Cross multiply
    585,060.42x = 807,126.21 × 343,220.34
  4. Step 4: Simplify right side
    585,060.42x = 277,022,132,219.11
  5. Step 5: Solve for x
    x = 277,022,132,219.11/585,060.42
  6. Step 6: Final answer
    x = 473,493.20

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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.