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Finding the Fourth Proportional to 454,070.13, 626,676.92 and 293,392.45

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Solution

The fourth proportional to 454,070.13, 626,676.92 and 293,392.45 is: 404,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,070.13 : 626,676.92 = 293,392.45 : x
  2. Step 2: Convert to fraction form
    454,070.13/626,676.92 = 293,392.45/x
  3. Step 3: Cross multiply
    454,070.13x = 626,676.92 × 293,392.45
  4. Step 4: Simplify right side
    454,070.13x = 183,862,276,917.25
  5. Step 5: Solve for x
    x = 183,862,276,917.25/454,070.13
  6. Step 6: Final answer
    x = 404,920.44

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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.