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Finding the Fourth Proportional to 568,066.70, 784,001.48 and 326,348.81

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Solution

The fourth proportional to 568,066.70, 784,001.48 and 326,348.81 is: 450,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,066.70 : 784,001.48 = 326,348.81 : x
  2. Step 2: Convert to fraction form
    568,066.70/784,001.48 = 326,348.81/x
  3. Step 3: Cross multiply
    568,066.70x = 784,001.48 × 326,348.81
  4. Step 4: Simplify right side
    568,066.70x = 255,857,950,036.24
  5. Step 5: Solve for x
    x = 255,857,950,036.24/568,066.70
  6. Step 6: Final answer
    x = 450,401.25

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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.