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Finding the Fourth Proportional to 549,626.90, 824,440.35 and 495,389.30

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Solution

The fourth proportional to 549,626.90, 824,440.35 and 495,389.30 is: 743,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,626.90 : 824,440.35 = 495,389.30 : x
  2. Step 2: Convert to fraction form
    549,626.90/824,440.35 = 495,389.30/x
  3. Step 3: Cross multiply
    549,626.90x = 824,440.35 × 495,389.30
  4. Step 4: Simplify right side
    549,626.90x = 408,418,927,878.26
  5. Step 5: Solve for x
    x = 408,418,927,878.26/549,626.90
  6. Step 6: Final answer
    x = 743,083.95

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Similar ratio
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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.