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Finding the Fourth Proportional to 468,337.50, 646,305.71 and 253,477.56

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Solution

The fourth proportional to 468,337.50, 646,305.71 and 253,477.56 is: 349,799.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,337.50 : 646,305.71 = 253,477.56 : x
  2. Step 2: Convert to fraction form
    468,337.50/646,305.71 = 253,477.56/x
  3. Step 3: Cross multiply
    468,337.50x = 646,305.71 × 253,477.56
  4. Step 4: Simplify right side
    468,337.50x = 163,823,995,018.56
  5. Step 5: Solve for x
    x = 163,823,995,018.56/468,337.50
  6. Step 6: Final answer
    x = 349,799.01

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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.