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Finding the Fourth Proportional to 424,064.99, 585,214.20 and 230,472.69

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Solution

The fourth proportional to 424,064.99, 585,214.20 and 230,472.69 is: 318,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,064.99 : 585,214.20 = 230,472.69 : x
  2. Step 2: Convert to fraction form
    424,064.99/585,214.20 = 230,472.69/x
  3. Step 3: Cross multiply
    424,064.99x = 585,214.20 × 230,472.69
  4. Step 4: Simplify right side
    424,064.99x = 134,875,891,997.48
  5. Step 5: Solve for x
    x = 134,875,891,997.48/424,064.99
  6. Step 6: Final answer
    x = 318,054.77

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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.