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Finding the Fourth Proportional to 431,152.65, 594,990.32 and 249,969.78

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Solution

The fourth proportional to 431,152.65, 594,990.32 and 249,969.78 is: 344,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,152.65 : 594,990.32 = 249,969.78 : x
  2. Step 2: Convert to fraction form
    431,152.65/594,990.32 = 249,969.78/x
  3. Step 3: Cross multiply
    431,152.65x = 594,990.32 × 249,969.78
  4. Step 4: Simplify right side
    431,152.65x = 148,729,598,142.68
  5. Step 5: Solve for x
    x = 148,729,598,142.68/431,152.65
  6. Step 6: Final answer
    x = 344,958.10

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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.