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Finding the Fourth Proportional to 480,682, 663,330.18 and 265,823.92

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Solution

The fourth proportional to 480,682, 663,330.18 and 265,823.92 is: 366,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,682 : 663,330.18 = 265,823.92 : x
  2. Step 2: Convert to fraction form
    480,682/663,330.18 = 265,823.92/x
  3. Step 3: Cross multiply
    480,682x = 663,330.18 × 265,823.92
  4. Step 4: Simplify right side
    480,682x = 176,329,028,701.91
  5. Step 5: Solve for x
    x = 176,329,028,701.91/480,682
  6. Step 6: Final answer
    x = 366,830.94

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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.