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Finding the Fourth Proportional to 480,085.48, 662,531.34 and 265,239.40

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Solution

The fourth proportional to 480,085.48, 662,531.34 and 265,239.40 is: 366,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,085.48 : 662,531.34 = 265,239.40 : x
  2. Step 2: Convert to fraction form
    480,085.48/662,531.34 = 265,239.40/x
  3. Step 3: Cross multiply
    480,085.48x = 662,531.34 × 265,239.40
  4. Step 4: Simplify right side
    480,085.48x = 175,729,415,102.80
  5. Step 5: Solve for x
    x = 175,729,415,102.80/480,085.48
  6. Step 6: Final answer
    x = 366,037.76

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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.