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Finding the Fourth Proportional to 622,000.80, 858,404.51 and 350,094.73

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Solution

The fourth proportional to 622,000.80, 858,404.51 and 350,094.73 is: 483,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,000.80 : 858,404.51 = 350,094.73 : x
  2. Step 2: Convert to fraction form
    622,000.80/858,404.51 = 350,094.73/x
  3. Step 3: Cross multiply
    622,000.80x = 858,404.51 × 350,094.73
  4. Step 4: Simplify right side
    622,000.80x = 300,522,895,159.23
  5. Step 5: Solve for x
    x = 300,522,895,159.23/622,000.80
  6. Step 6: Final answer
    x = 483,155.16

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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.