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Finding the Fourth Proportional to 431,325.18, 595,220.71 and 240,334.46

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Solution

The fourth proportional to 431,325.18, 595,220.71 and 240,334.46 is: 331,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,325.18 : 595,220.71 = 240,334.46 : x
  2. Step 2: Convert to fraction form
    431,325.18/595,220.71 = 240,334.46/x
  3. Step 3: Cross multiply
    431,325.18x = 595,220.71 × 240,334.46
  4. Step 4: Simplify right side
    431,325.18x = 143,052,047,918.67
  5. Step 5: Solve for x
    x = 143,052,047,918.67/431,325.18
  6. Step 6: Final answer
    x = 331,657.08

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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.