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Finding the Fourth Proportional to 599,143.95, 826,816.68 and 357,436.71

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Solution

The fourth proportional to 599,143.95, 826,816.68 and 357,436.71 is: 493,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,143.95 : 826,816.68 = 357,436.71 : x
  2. Step 2: Convert to fraction form
    599,143.95/826,816.68 = 357,436.71/x
  3. Step 3: Cross multiply
    599,143.95x = 826,816.68 × 357,436.71
  4. Step 4: Simplify right side
    599,143.95x = 295,534,633,872.32
  5. Step 5: Solve for x
    x = 295,534,633,872.32/599,143.95
  6. Step 6: Final answer
    x = 493,261.48

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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.