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Finding the Fourth Proportional to 480,588.48, 663,185.34 and 265,715.64

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Solution

The fourth proportional to 480,588.48, 663,185.34 and 265,715.64 is: 366,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,588.48 : 663,185.34 = 265,715.64 : x
  2. Step 2: Convert to fraction form
    480,588.48/663,185.34 = 265,715.64/x
  3. Step 3: Cross multiply
    480,588.48x = 663,185.34 × 265,715.64
  4. Step 4: Simplify right side
    480,588.48x = 176,218,717,056.72
  5. Step 5: Solve for x
    x = 176,218,717,056.72/480,588.48
  6. Step 6: Final answer
    x = 366,672.79

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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.