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Finding the Fourth Proportional to 480,234.56, 662,763.60 and 265,416.56

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Solution

The fourth proportional to 480,234.56, 662,763.60 and 265,416.56 is: 366,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,234.56 : 662,763.60 = 265,416.56 : x
  2. Step 2: Convert to fraction form
    480,234.56/662,763.60 = 265,416.56/x
  3. Step 3: Cross multiply
    480,234.56x = 662,763.60 × 265,416.56
  4. Step 4: Simplify right side
    480,234.56x = 175,908,434,805.22
  5. Step 5: Solve for x
    x = 175,908,434,805.22/480,234.56
  6. Step 6: Final answer
    x = 366,296.91

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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.