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Finding the Fourth Proportional to 349,680.01, 522,529.40 and 262,557.91

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Solution

The fourth proportional to 349,680.01, 522,529.40 and 262,557.91 is: 392,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,680.01 : 522,529.40 = 262,557.91 : x
  2. Step 2: Convert to fraction form
    349,680.01/522,529.40 = 262,557.91/x
  3. Step 3: Cross multiply
    349,680.01x = 522,529.40 × 262,557.91
  4. Step 4: Simplify right side
    349,680.01x = 137,194,227,177.55
  5. Step 5: Solve for x
    x = 137,194,227,177.55/349,680.01
  6. Step 6: Final answer
    x = 392,342.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.