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Finding the Fourth Proportional to 473,235, 653,121.59 and 269,335.52

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Solution

The fourth proportional to 473,235, 653,121.59 and 269,335.52 is: 371,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,235 : 653,121.59 = 269,335.52 : x
  2. Step 2: Convert to fraction form
    473,235/653,121.59 = 269,335.52/x
  3. Step 3: Cross multiply
    473,235x = 653,121.59 × 269,335.52
  4. Step 4: Simplify right side
    473,235x = 175,908,843,065.88
  5. Step 5: Solve for x
    x = 175,908,843,065.88/473,235
  6. Step 6: Final answer
    x = 371,715.62

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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.