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Finding the Fourth Proportional to 552,501.84, 762,176.52 and 348,805.20

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Solution

The fourth proportional to 552,501.84, 762,176.52 and 348,805.20 is: 481,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,501.84 : 762,176.52 = 348,805.20 : x
  2. Step 2: Convert to fraction form
    552,501.84/762,176.52 = 348,805.20/x
  3. Step 3: Cross multiply
    552,501.84x = 762,176.52 × 348,805.20
  4. Step 4: Simplify right side
    552,501.84x = 265,851,133,493.90
  5. Step 5: Solve for x
    x = 265,851,133,493.90/552,501.84
  6. Step 6: Final answer
    x = 481,176.92

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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.