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Finding the Fourth Proportional to 677,793.09, 934,587.54 and 432,449.58

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Solution

The fourth proportional to 677,793.09, 934,587.54 and 432,449.58 is: 596,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,793.09 : 934,587.54 = 432,449.58 : x
  2. Step 2: Convert to fraction form
    677,793.09/934,587.54 = 432,449.58/x
  3. Step 3: Cross multiply
    677,793.09x = 934,587.54 × 432,449.58
  4. Step 4: Simplify right side
    677,793.09x = 404,161,989,146.23
  5. Step 5: Solve for x
    x = 404,161,989,146.23/677,793.09
  6. Step 6: Final answer
    x = 596,291.10

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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.