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Finding the Fourth Proportional to 610,841.39, 911,302.13 and 577,773.95

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Solution

The fourth proportional to 610,841.39, 911,302.13 and 577,773.95 is: 861,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,841.39 : 911,302.13 = 577,773.95 : x
  2. Step 2: Convert to fraction form
    610,841.39/911,302.13 = 577,773.95/x
  3. Step 3: Cross multiply
    610,841.39x = 911,302.13 × 577,773.95
  4. Step 4: Simplify right side
    610,841.39x = 526,526,628,181.44
  5. Step 5: Solve for x
    x = 526,526,628,181.44/610,841.39
  6. Step 6: Final answer
    x = 861,969.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.