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Finding the Fourth Proportional to 480,734, 663,386.82 and 265,861.52

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Solution

The fourth proportional to 480,734, 663,386.82 and 265,861.52 is: 366,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,734 : 663,386.82 = 265,861.52 : x
  2. Step 2: Convert to fraction form
    480,734/663,386.82 = 265,861.52/x
  3. Step 3: Cross multiply
    480,734x = 663,386.82 × 265,861.52
  4. Step 4: Simplify right side
    480,734x = 176,369,028,313.17
  5. Step 5: Solve for x
    x = 176,369,028,313.17/480,734
  6. Step 6: Final answer
    x = 366,874.46

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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.