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Finding the Fourth Proportional to 480,047.70, 662,441.35 and 265,146.20

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Solution

The fourth proportional to 480,047.70, 662,441.35 and 265,146.20 is: 365,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,047.70 : 662,441.35 = 265,146.20 : x
  2. Step 2: Convert to fraction form
    480,047.70/662,441.35 = 265,146.20/x
  3. Step 3: Cross multiply
    480,047.70x = 662,441.35 × 265,146.20
  4. Step 4: Simplify right side
    480,047.70x = 175,643,806,675.37
  5. Step 5: Solve for x
    x = 175,643,806,675.37/480,047.70
  6. Step 6: Final answer
    x = 365,888.24

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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.