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Finding the Fourth Proportional to 424,745.10, 637,117.65 and 235,788.30

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Solution

The fourth proportional to 424,745.10, 637,117.65 and 235,788.30 is: 353,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,745.10 : 637,117.65 = 235,788.30 : x
  2. Step 2: Convert to fraction form
    424,745.10/637,117.65 = 235,788.30/x
  3. Step 3: Cross multiply
    424,745.10x = 637,117.65 × 235,788.30
  4. Step 4: Simplify right side
    424,745.10x = 150,224,887,593.50
  5. Step 5: Solve for x
    x = 150,224,887,593.50/424,745.10
  6. Step 6: Final answer
    x = 353,682.45

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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.