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Finding the Fourth Proportional to 356,006.60, 534,009.90 and 223,296.20

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Solution

The fourth proportional to 356,006.60, 534,009.90 and 223,296.20 is: 334,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,006.60 : 534,009.90 = 223,296.20 : x
  2. Step 2: Convert to fraction form
    356,006.60/534,009.90 = 223,296.20/x
  3. Step 3: Cross multiply
    356,006.60x = 534,009.90 × 223,296.20
  4. Step 4: Simplify right side
    356,006.60x = 119,242,381,432.38
  5. Step 5: Solve for x
    x = 119,242,381,432.38/356,006.60
  6. Step 6: Final answer
    x = 334,944.30

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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.