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Finding the Fourth Proportional to 651,226.60, 978,006.30 and 473,933.80

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Solution

The fourth proportional to 651,226.60, 978,006.30 and 473,933.80 is: 711,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,226.60 : 978,006.30 = 473,933.80 : x
  2. Step 2: Convert to fraction form
    651,226.60/978,006.30 = 473,933.80/x
  3. Step 3: Cross multiply
    651,226.60x = 978,006.30 × 473,933.80
  4. Step 4: Simplify right side
    651,226.60x = 463,510,242,182.94
  5. Step 5: Solve for x
    x = 463,510,242,182.94/651,226.60
  6. Step 6: Final answer
    x = 711,749.55

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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.