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Finding the Fourth Proportional to 480,521.30, 663,133.23 and 265,675.23

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Solution

The fourth proportional to 480,521.30, 663,133.23 and 265,675.23 is: 366,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,521.30 : 663,133.23 = 265,675.23 : x
  2. Step 2: Convert to fraction form
    480,521.30/663,133.23 = 265,675.23/x
  3. Step 3: Cross multiply
    480,521.30x = 663,133.23 × 265,675.23
  4. Step 4: Simplify right side
    480,521.30x = 176,178,073,400.89
  5. Step 5: Solve for x
    x = 176,178,073,400.89/480,521.30
  6. Step 6: Final answer
    x = 366,639.47

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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.