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Finding the Fourth Proportional to 581,062.46, 871,643.90 and 160,338.33

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Solution

The fourth proportional to 581,062.46, 871,643.90 and 160,338.33 is: 240,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,062.46 : 871,643.90 = 160,338.33 : x
  2. Step 2: Convert to fraction form
    581,062.46/871,643.90 = 160,338.33/x
  3. Step 3: Cross multiply
    581,062.46x = 871,643.90 × 160,338.33
  4. Step 4: Simplify right side
    581,062.46x = 139,757,927,681.53
  5. Step 5: Solve for x
    x = 139,757,927,681.53/581,062.46
  6. Step 6: Final answer
    x = 240,521.35

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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.