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Finding the Fourth Proportional to 560,549.76, 773,356.20 and 431,527.68

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Solution

The fourth proportional to 560,549.76, 773,356.20 and 431,527.68 is: 595,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,549.76 : 773,356.20 = 431,527.68 : x
  2. Step 2: Convert to fraction form
    560,549.76/773,356.20 = 431,527.68/x
  3. Step 3: Cross multiply
    560,549.76x = 773,356.20 × 431,527.68
  4. Step 4: Simplify right side
    560,549.76x = 333,724,606,799.62
  5. Step 5: Solve for x
    x = 333,724,606,799.62/560,549.76
  6. Step 6: Final answer
    x = 595,352.33

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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.