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Finding the Fourth Proportional to 266,394.24, 399,459.24 and 97,907.76

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Solution

The fourth proportional to 266,394.24, 399,459.24 and 97,907.76 is: 146,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,394.24 : 399,459.24 = 97,907.76 : x
  2. Step 2: Convert to fraction form
    266,394.24/399,459.24 = 97,907.76/x
  3. Step 3: Cross multiply
    266,394.24x = 399,459.24 × 97,907.76
  4. Step 4: Simplify right side
    266,394.24x = 39,110,159,399.70
  5. Step 5: Solve for x
    x = 39,110,159,399.70/266,394.24
  6. Step 6: Final answer
    x = 146,813.08

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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.