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Finding the Fourth Proportional to 550,641.96, 760,226.19 and 367,138.68

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Solution

The fourth proportional to 550,641.96, 760,226.19 and 367,138.68 is: 506,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,641.96 : 760,226.19 = 367,138.68 : x
  2. Step 2: Convert to fraction form
    550,641.96/760,226.19 = 367,138.68/x
  3. Step 3: Cross multiply
    550,641.96x = 760,226.19 × 367,138.68
  4. Step 4: Simplify right side
    550,641.96x = 279,108,439,898.03
  5. Step 5: Solve for x
    x = 279,108,439,898.03/550,641.96
  6. Step 6: Final answer
    x = 506,878.26

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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.