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Finding the Fourth Proportional to 482,900.89, 666,411.04 and 265,129.64

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Solution

The fourth proportional to 482,900.89, 666,411.04 and 265,129.64 is: 365,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,900.89 : 666,411.04 = 265,129.64 : x
  2. Step 2: Convert to fraction form
    482,900.89/666,411.04 = 265,129.64/x
  3. Step 3: Cross multiply
    482,900.89x = 666,411.04 × 265,129.64
  4. Step 4: Simplify right side
    482,900.89x = 176,685,317,879.95
  5. Step 5: Solve for x
    x = 176,685,317,879.95/482,900.89
  6. Step 6: Final answer
    x = 365,883.19

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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.