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Finding the Fourth Proportional to 424,497.70, 585,803.55 and 233,506.90

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Solution

The fourth proportional to 424,497.70, 585,803.55 and 233,506.90 is: 322,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,497.70 : 585,803.55 = 233,506.90 : x
  2. Step 2: Convert to fraction form
    424,497.70/585,803.55 = 233,506.90/x
  3. Step 3: Cross multiply
    424,497.70x = 585,803.55 × 233,506.90
  4. Step 4: Simplify right side
    424,497.70x = 136,789,170,969.50
  5. Step 5: Solve for x
    x = 136,789,170,969.50/424,497.70
  6. Step 6: Final answer
    x = 322,237.72

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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.