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Finding the Fourth Proportional to 431,230.80, 602,935.80 and 431,230.80

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Solution

The fourth proportional to 431,230.80, 602,935.80 and 431,230.80 is: 602,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,230.80 : 602,935.80 = 431,230.80 : x
  2. Step 2: Convert to fraction form
    431,230.80/602,935.80 = 431,230.80/x
  3. Step 3: Cross multiply
    431,230.80x = 602,935.80 × 431,230.80
  4. Step 4: Simplify right side
    431,230.80x = 260,004,487,382.64
  5. Step 5: Solve for x
    x = 260,004,487,382.64/431,230.80
  6. Step 6: Final answer
    x = 602,935.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.