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Finding the Fourth Proportional to 424,462.38, 585,357.63 and 279,011.22

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Solution

The fourth proportional to 424,462.38, 585,357.63 and 279,011.22 is: 384,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,462.38 : 585,357.63 = 279,011.22 : x
  2. Step 2: Convert to fraction form
    424,462.38/585,357.63 = 279,011.22/x
  3. Step 3: Cross multiply
    424,462.38x = 585,357.63 × 279,011.22
  4. Step 4: Simplify right side
    424,462.38x = 163,321,346,482.61
  5. Step 5: Solve for x
    x = 163,321,346,482.61/424,462.38
  6. Step 6: Final answer
    x = 384,772.25

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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.