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Finding the Fourth Proportional to 616,053.92, 850,359.44 and 361,312.16

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Solution

The fourth proportional to 616,053.92, 850,359.44 and 361,312.16 is: 498,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,053.92 : 850,359.44 = 361,312.16 : x
  2. Step 2: Convert to fraction form
    616,053.92/850,359.44 = 361,312.16/x
  3. Step 3: Cross multiply
    616,053.92x = 850,359.44 × 361,312.16
  4. Step 4: Simplify right side
    616,053.92x = 307,245,206,042.79
  5. Step 5: Solve for x
    x = 307,245,206,042.79/616,053.92
  6. Step 6: Final answer
    x = 498,731.03

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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.