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Finding the Fourth Proportional to 424,130.39, 585,300.57 and 233,144.95

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Solution

The fourth proportional to 424,130.39, 585,300.57 and 233,144.95 is: 321,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,130.39 : 585,300.57 = 233,144.95 : x
  2. Step 2: Convert to fraction form
    424,130.39/585,300.57 = 233,144.95/x
  3. Step 3: Cross multiply
    424,130.39x = 585,300.57 × 233,144.95
  4. Step 4: Simplify right side
    424,130.39x = 136,459,872,127.62
  5. Step 5: Solve for x
    x = 136,459,872,127.62/424,130.39
  6. Step 6: Final answer
    x = 321,740.38

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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.