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Finding the Fourth Proportional to 627,801.10, 941,701.65 and 549,069.10

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Solution

The fourth proportional to 627,801.10, 941,701.65 and 549,069.10 is: 823,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,801.10 : 941,701.65 = 549,069.10 : x
  2. Step 2: Convert to fraction form
    627,801.10/941,701.65 = 549,069.10/x
  3. Step 3: Cross multiply
    627,801.10x = 941,701.65 × 549,069.10
  4. Step 4: Simplify right side
    627,801.10x = 517,059,277,434.02
  5. Step 5: Solve for x
    x = 517,059,277,434.02/627,801.10
  6. Step 6: Final answer
    x = 823,603.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.