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Finding the Fourth Proportional to 473,503, 653,453.64 and 272,299

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Solution

The fourth proportional to 473,503, 653,453.64 and 272,299 is: 375,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,503 : 653,453.64 = 272,299 : x
  2. Step 2: Convert to fraction form
    473,503/653,453.64 = 272,299/x
  3. Step 3: Cross multiply
    473,503x = 653,453.64 × 272,299
  4. Step 4: Simplify right side
    473,503x = 177,934,772,718.36
  5. Step 5: Solve for x
    x = 177,934,772,718.36/473,503
  6. Step 6: Final answer
    x = 375,783.83

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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.