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Finding the Fourth Proportional to 473,438.16, 653,318.19 and 269,538.75

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Solution

The fourth proportional to 473,438.16, 653,318.19 and 269,538.75 is: 371,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,438.16 : 653,318.19 = 269,538.75 : x
  2. Step 2: Convert to fraction form
    473,438.16/653,318.19 = 269,538.75/x
  3. Step 3: Cross multiply
    473,438.16x = 653,318.19 × 269,538.75
  4. Step 4: Simplify right side
    473,438.16x = 176,094,568,284.86
  5. Step 5: Solve for x
    x = 176,094,568,284.86/473,438.16
  6. Step 6: Final answer
    x = 371,948.40

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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.