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Finding the Fourth Proportional to 522,398.80, 720,703.02 and 341,052.76

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Solution

The fourth proportional to 522,398.80, 720,703.02 and 341,052.76 is: 470,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,398.80 : 720,703.02 = 341,052.76 : x
  2. Step 2: Convert to fraction form
    522,398.80/720,703.02 = 341,052.76/x
  3. Step 3: Cross multiply
    522,398.80x = 720,703.02 × 341,052.76
  4. Step 4: Simplify right side
    522,398.80x = 245,797,754,111.34
  5. Step 5: Solve for x
    x = 245,797,754,111.34/522,398.80
  6. Step 6: Final answer
    x = 470,517.46

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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.