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Finding the Fourth Proportional to 468,612.24, 646,683.90 and 253,752.90

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Solution

The fourth proportional to 468,612.24, 646,683.90 and 253,752.90 is: 350,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,612.24 : 646,683.90 = 253,752.90 : x
  2. Step 2: Convert to fraction form
    468,612.24/646,683.90 = 253,752.90/x
  3. Step 3: Cross multiply
    468,612.24x = 646,683.90 × 253,752.90
  4. Step 4: Simplify right side
    468,612.24x = 164,097,915,008.31
  5. Step 5: Solve for x
    x = 164,097,915,008.31/468,612.24
  6. Step 6: Final answer
    x = 350,178.47

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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.