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Finding the Fourth Proportional to 480,142.82, 662,623.66 and 265,278.26

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Solution

The fourth proportional to 480,142.82, 662,623.66 and 265,278.26 is: 366,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,142.82 : 662,623.66 = 265,278.26 : x
  2. Step 2: Convert to fraction form
    480,142.82/662,623.66 = 265,278.26/x
  3. Step 3: Cross multiply
    480,142.82x = 662,623.66 × 265,278.26
  4. Step 4: Simplify right side
    480,142.82x = 175,779,651,559.63
  5. Step 5: Solve for x
    x = 175,779,651,559.63/480,142.82
  6. Step 6: Final answer
    x = 366,098.68

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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.