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Finding the Fourth Proportional to 560,678.96, 840,500.35 and 223,637.63

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Solution

The fourth proportional to 560,678.96, 840,500.35 and 223,637.63 is: 335,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,678.96 : 840,500.35 = 223,637.63 : x
  2. Step 2: Convert to fraction form
    560,678.96/840,500.35 = 223,637.63/x
  3. Step 3: Cross multiply
    560,678.96x = 840,500.35 × 223,637.63
  4. Step 4: Simplify right side
    560,678.96x = 187,967,501,526.58
  5. Step 5: Solve for x
    x = 187,967,501,526.58/560,678.96
  6. Step 6: Final answer
    x = 335,249.78

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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.