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Finding the Fourth Proportional to 482,999.68, 666,542.54 and 265,217.77

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Solution

The fourth proportional to 482,999.68, 666,542.54 and 265,217.77 is: 366,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,999.68 : 666,542.54 = 265,217.77 : x
  2. Step 2: Convert to fraction form
    482,999.68/666,542.54 = 265,217.77/x
  3. Step 3: Cross multiply
    482,999.68x = 666,542.54 × 265,217.77
  4. Step 4: Simplify right side
    482,999.68x = 176,778,926,068.94
  5. Step 5: Solve for x
    x = 176,778,926,068.94/482,999.68
  6. Step 6: Final answer
    x = 366,002.16

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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.