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Finding the Fourth Proportional to 351,866.37, 527,798.91 and 99,146.37

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Solution

The fourth proportional to 351,866.37, 527,798.91 and 99,146.37 is: 148,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,866.37 : 527,798.91 = 99,146.37 : x
  2. Step 2: Convert to fraction form
    351,866.37/527,798.91 = 99,146.37/x
  3. Step 3: Cross multiply
    351,866.37x = 527,798.91 × 99,146.37
  4. Step 4: Simplify right side
    351,866.37x = 52,329,346,016.46
  5. Step 5: Solve for x
    x = 52,329,346,016.46/351,866.37
  6. Step 6: Final answer
    x = 148,719.37

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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.