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Finding the Fourth Proportional to 480,343.06, 662,907.74 and 265,478.52

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Solution

The fourth proportional to 480,343.06, 662,907.74 and 265,478.52 is: 366,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,343.06 : 662,907.74 = 265,478.52 : x
  2. Step 2: Convert to fraction form
    480,343.06/662,907.74 = 265,478.52/x
  3. Step 3: Cross multiply
    480,343.06x = 662,907.74 × 265,478.52
  4. Step 4: Simplify right side
    480,343.06x = 175,987,765,711.75
  5. Step 5: Solve for x
    x = 175,987,765,711.75/480,343.06
  6. Step 6: Final answer
    x = 366,379.32

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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.