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Finding the Fourth Proportional to 671,904.59, 927,228.39 and 370,098.59

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Solution

The fourth proportional to 671,904.59, 927,228.39 and 370,098.59 is: 510,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,904.59 : 927,228.39 = 370,098.59 : x
  2. Step 2: Convert to fraction form
    671,904.59/927,228.39 = 370,098.59/x
  3. Step 3: Cross multiply
    671,904.59x = 927,228.39 × 370,098.59
  4. Step 4: Simplify right side
    671,904.59x = 343,165,919,746.97
  5. Step 5: Solve for x
    x = 343,165,919,746.97/671,904.59
  6. Step 6: Final answer
    x = 510,736.08

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Double scale
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Similar ratio
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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.