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Finding the Fourth Proportional to 480,666.36, 663,330.84 and 265,810.56

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Solution

The fourth proportional to 480,666.36, 663,330.84 and 265,810.56 is: 366,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,666.36 : 663,330.84 = 265,810.56 : x
  2. Step 2: Convert to fraction form
    480,666.36/663,330.84 = 265,810.56/x
  3. Step 3: Cross multiply
    480,666.36x = 663,330.84 × 265,810.56
  4. Step 4: Simplify right side
    480,666.36x = 176,320,342,045.67
  5. Step 5: Solve for x
    x = 176,320,342,045.67/480,666.36
  6. Step 6: Final answer
    x = 366,824.80

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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.