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Finding the Fourth Proportional to 473,643.63, 653,596.86 and 269,715.42

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Solution

The fourth proportional to 473,643.63, 653,596.86 and 269,715.42 is: 372,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,643.63 : 653,596.86 = 269,715.42 : x
  2. Step 2: Convert to fraction form
    473,643.63/653,596.86 = 269,715.42/x
  3. Step 3: Cross multiply
    473,643.63x = 653,596.86 × 269,715.42
  4. Step 4: Simplify right side
    473,643.63x = 176,285,151,605.58
  5. Step 5: Solve for x
    x = 176,285,151,605.58/473,643.63
  6. Step 6: Final answer
    x = 372,189.43

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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.