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Finding the Fourth Proportional to 581,062.33, 871,643.72 and 160,338.21

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Solution

The fourth proportional to 581,062.33, 871,643.72 and 160,338.21 is: 240,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,062.33 : 871,643.72 = 160,338.21 : x
  2. Step 2: Convert to fraction form
    581,062.33/871,643.72 = 160,338.21/x
  3. Step 3: Cross multiply
    581,062.33x = 871,643.72 × 160,338.21
  4. Step 4: Simplify right side
    581,062.33x = 139,757,793,822.54
  5. Step 5: Solve for x
    x = 139,757,793,822.54/581,062.33
  6. Step 6: Final answer
    x = 240,521.17

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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.