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Finding the Fourth Proportional to 747,059, 1,120,598.42 and 248,423.16

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Solution

The fourth proportional to 747,059, 1,120,598.42 and 248,423.16 is: 372,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,059 : 1,120,598.42 = 248,423.16 : x
  2. Step 2: Convert to fraction form
    747,059/1,120,598.42 = 248,423.16/x
  3. Step 3: Cross multiply
    747,059x = 1,120,598.42 × 248,423.16
  4. Step 4: Simplify right side
    747,059x = 278,382,600,587.41
  5. Step 5: Solve for x
    x = 278,382,600,587.41/747,059
  6. Step 6: Final answer
    x = 372,638.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.