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Finding the Fourth Proportional to 473,062.63, 652,749.45 and 279,443.57

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Solution

The fourth proportional to 473,062.63, 652,749.45 and 279,443.57 is: 385,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,062.63 : 652,749.45 = 279,443.57 : x
  2. Step 2: Convert to fraction form
    473,062.63/652,749.45 = 279,443.57/x
  3. Step 3: Cross multiply
    473,062.63x = 652,749.45 × 279,443.57
  4. Step 4: Simplify right side
    473,062.63x = 182,406,634,991.66
  5. Step 5: Solve for x
    x = 182,406,634,991.66/473,062.63
  6. Step 6: Final answer
    x = 385,586.65

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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.