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Finding the Fourth Proportional to 403,092.96, 556,251.58 and 219,332.28

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Solution

The fourth proportional to 403,092.96, 556,251.58 and 219,332.28 is: 302,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,092.96 : 556,251.58 = 219,332.28 : x
  2. Step 2: Convert to fraction form
    403,092.96/556,251.58 = 219,332.28/x
  3. Step 3: Cross multiply
    403,092.96x = 556,251.58 × 219,332.28
  4. Step 4: Simplify right side
    403,092.96x = 122,003,927,295.00
  5. Step 5: Solve for x
    x = 122,003,927,295.00/403,092.96
  6. Step 6: Final answer
    x = 302,669.46

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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.