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Finding the Fourth Proportional to 440,478.48, 607,715.75 and 246,857.91

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Solution

The fourth proportional to 440,478.48, 607,715.75 and 246,857.91 is: 340,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,478.48 : 607,715.75 = 246,857.91 : x
  2. Step 2: Convert to fraction form
    440,478.48/607,715.75 = 246,857.91/x
  3. Step 3: Cross multiply
    440,478.48x = 607,715.75 × 246,857.91
  4. Step 4: Simplify right side
    440,478.48x = 150,019,436,868.72
  5. Step 5: Solve for x
    x = 150,019,436,868.72/440,478.48
  6. Step 6: Final answer
    x = 340,582.89

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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.