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Finding the Fourth Proportional to 630,149.90, 944,360.85 and 404,818.70

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Solution

The fourth proportional to 630,149.90, 944,360.85 and 404,818.70 is: 606,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,149.90 : 944,360.85 = 404,818.70 : x
  2. Step 2: Convert to fraction form
    630,149.90/944,360.85 = 404,818.70/x
  3. Step 3: Cross multiply
    630,149.90x = 944,360.85 × 404,818.70
  4. Step 4: Simplify right side
    630,149.90x = 382,294,931,627.90
  5. Step 5: Solve for x
    x = 382,294,931,627.90/630,149.90
  6. Step 6: Final answer
    x = 606,673.00

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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.