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Finding the Fourth Proportional to 578,110.40, 867,424.80 and 262,404.80

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Solution

The fourth proportional to 578,110.40, 867,424.80 and 262,404.80 is: 393,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,110.40 : 867,424.80 = 262,404.80 : x
  2. Step 2: Convert to fraction form
    578,110.40/867,424.80 = 262,404.80/x
  3. Step 3: Cross multiply
    578,110.40x = 867,424.80 × 262,404.80
  4. Step 4: Simplify right side
    578,110.40x = 227,616,431,159.04
  5. Step 5: Solve for x
    x = 227,616,431,159.04/578,110.40
  6. Step 6: Final answer
    x = 393,724.85

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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.