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Finding the Fourth Proportional to 616,256.56, 850,355.90 and 361,514.80

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Solution

The fourth proportional to 616,256.56, 850,355.90 and 361,514.80 is: 498,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,256.56 : 850,355.90 = 361,514.80 : x
  2. Step 2: Convert to fraction form
    616,256.56/850,355.90 = 361,514.80/x
  3. Step 3: Cross multiply
    616,256.56x = 850,355.90 × 361,514.80
  4. Step 4: Simplify right side
    616,256.56x = 307,416,243,117.32
  5. Step 5: Solve for x
    x = 307,416,243,117.32/616,256.56
  6. Step 6: Final answer
    x = 498,844.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.