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Finding the Fourth Proportional to 653,227.77, 979,460.29 and 253,401.34

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Solution

The fourth proportional to 653,227.77, 979,460.29 and 253,401.34 is: 379,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,227.77 : 979,460.29 = 253,401.34 : x
  2. Step 2: Convert to fraction form
    653,227.77/979,460.29 = 253,401.34/x
  3. Step 3: Cross multiply
    653,227.77x = 979,460.29 × 253,401.34
  4. Step 4: Simplify right side
    653,227.77x = 248,196,549,962.79
  5. Step 5: Solve for x
    x = 248,196,549,962.79/653,227.77
  6. Step 6: Final answer
    x = 379,954.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.