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Finding the Fourth Proportional to 424,808.43, 586,239.57 and 233,823.20

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Solution

The fourth proportional to 424,808.43, 586,239.57 and 233,823.20 is: 322,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,808.43 : 586,239.57 = 233,823.20 : x
  2. Step 2: Convert to fraction form
    424,808.43/586,239.57 = 233,823.20/x
  3. Step 3: Cross multiply
    424,808.43x = 586,239.57 × 233,823.20
  4. Step 4: Simplify right side
    424,808.43x = 137,076,409,292.83
  5. Step 5: Solve for x
    x = 137,076,409,292.83/424,808.43
  6. Step 6: Final answer
    x = 322,678.18

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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.