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Finding the Fourth Proportional to 480,526.55, 663,140.48 and 265,680.48

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Solution

The fourth proportional to 480,526.55, 663,140.48 and 265,680.48 is: 366,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,526.55 : 663,140.48 = 265,680.48 : x
  2. Step 2: Convert to fraction form
    480,526.55/663,140.48 = 265,680.48/x
  3. Step 3: Cross multiply
    480,526.55x = 663,140.48 × 265,680.48
  4. Step 4: Simplify right side
    480,526.55x = 176,183,479,705.43
  5. Step 5: Solve for x
    x = 176,183,479,705.43/480,526.55
  6. Step 6: Final answer
    x = 366,646.72

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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.