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Finding the Fourth Proportional to 468,712.01, 646,819.36 and 253,847.16

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Solution

The fourth proportional to 468,712.01, 646,819.36 and 253,847.16 is: 350,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,712.01 : 646,819.36 = 253,847.16 : x
  2. Step 2: Convert to fraction form
    468,712.01/646,819.36 = 253,847.16/x
  3. Step 3: Cross multiply
    468,712.01x = 646,819.36 × 253,847.16
  4. Step 4: Simplify right side
    468,712.01x = 164,193,256,934.40
  5. Step 5: Solve for x
    x = 164,193,256,934.40/468,712.01
  6. Step 6: Final answer
    x = 350,307.34

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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.