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Finding the Fourth Proportional to 612,426.76, 845,162.66 and 336,767.15

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Solution

The fourth proportional to 612,426.76, 845,162.66 and 336,767.15 is: 464,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,426.76 : 845,162.66 = 336,767.15 : x
  2. Step 2: Convert to fraction form
    612,426.76/845,162.66 = 336,767.15/x
  3. Step 3: Cross multiply
    612,426.76x = 845,162.66 × 336,767.15
  4. Step 4: Simplify right side
    612,426.76x = 284,623,023,249.44
  5. Step 5: Solve for x
    x = 284,623,023,249.44/612,426.76
  6. Step 6: Final answer
    x = 464,746.22

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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.