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Finding the Fourth Proportional to 457,568.84, 631,482.80 and 253,683.71

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Solution

The fourth proportional to 457,568.84, 631,482.80 and 253,683.71 is: 350,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,568.84 : 631,482.80 = 253,683.71 : x
  2. Step 2: Convert to fraction form
    457,568.84/631,482.80 = 253,683.71/x
  3. Step 3: Cross multiply
    457,568.84x = 631,482.80 × 253,683.71
  4. Step 4: Simplify right side
    457,568.84x = 160,196,895,079.36
  5. Step 5: Solve for x
    x = 160,196,895,079.36/457,568.84
  6. Step 6: Final answer
    x = 350,104.47

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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.