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Finding the Fourth Proportional to 424,677.99, 586,048.21 and 231,079.17

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Solution

The fourth proportional to 424,677.99, 586,048.21 and 231,079.17 is: 318,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,677.99 : 586,048.21 = 231,079.17 : x
  2. Step 2: Convert to fraction form
    424,677.99/586,048.21 = 231,079.17/x
  3. Step 3: Cross multiply
    424,677.99x = 586,048.21 × 231,079.17
  4. Step 4: Simplify right side
    424,677.99x = 135,423,533,946.79
  5. Step 5: Solve for x
    x = 135,423,533,946.79/424,677.99
  6. Step 6: Final answer
    x = 318,885.22

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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.