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Finding the Fourth Proportional to 431,501.40, 595,474.68 and 240,526.89

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Solution

The fourth proportional to 431,501.40, 595,474.68 and 240,526.89 is: 331,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,501.40 : 595,474.68 = 240,526.89 : x
  2. Step 2: Convert to fraction form
    431,501.40/595,474.68 = 240,526.89/x
  3. Step 3: Cross multiply
    431,501.40x = 595,474.68 × 240,526.89
  4. Step 4: Simplify right side
    431,501.40x = 143,227,672,854.15
  5. Step 5: Solve for x
    x = 143,227,672,854.15/431,501.40
  6. Step 6: Final answer
    x = 331,928.64

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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.