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Finding the Fourth Proportional to 367,705.48, 551,559.66 and 243,018.76

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Solution

The fourth proportional to 367,705.48, 551,559.66 and 243,018.76 is: 364,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,705.48 : 551,559.66 = 243,018.76 : x
  2. Step 2: Convert to fraction form
    367,705.48/551,559.66 = 243,018.76/x
  3. Step 3: Cross multiply
    367,705.48x = 551,559.66 × 243,018.76
  4. Step 4: Simplify right side
    367,705.48x = 134,039,344,639.22
  5. Step 5: Solve for x
    x = 134,039,344,639.22/367,705.48
  6. Step 6: Final answer
    x = 364,529.09

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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.