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Finding the Fourth Proportional to 672,716.76, 927,594.98 and 549,827.75

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Solution

The fourth proportional to 672,716.76, 927,594.98 and 549,827.75 is: 758,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,716.76 : 927,594.98 = 549,827.75 : x
  2. Step 2: Convert to fraction form
    672,716.76/927,594.98 = 549,827.75/x
  3. Step 3: Cross multiply
    672,716.76x = 927,594.98 × 549,827.75
  4. Step 4: Simplify right side
    672,716.76x = 510,017,456,405.48
  5. Step 5: Solve for x
    x = 510,017,456,405.48/672,716.76
  6. Step 6: Final answer
    x = 758,145.91

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Double scale
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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.