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Finding the Fourth Proportional to 431,812.69, 595,901.54 and 240,821.98

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Solution

The fourth proportional to 431,812.69, 595,901.54 and 240,821.98 is: 332,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,812.69 : 595,901.54 = 240,821.98 : x
  2. Step 2: Convert to fraction form
    431,812.69/595,901.54 = 240,821.98/x
  3. Step 3: Cross multiply
    431,812.69x = 595,901.54 × 240,821.98
  4. Step 4: Simplify right side
    431,812.69x = 143,506,187,860.15
  5. Step 5: Solve for x
    x = 143,506,187,860.15/431,812.69
  6. Step 6: Final answer
    x = 332,334.35

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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.