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Finding the Fourth Proportional to 434,172.17, 650,470.93 and 424,724.33

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Solution

The fourth proportional to 434,172.17, 650,470.93 and 424,724.33 is: 636,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,172.17 : 650,470.93 = 424,724.33 : x
  2. Step 2: Convert to fraction form
    434,172.17/650,470.93 = 424,724.33/x
  3. Step 3: Cross multiply
    434,172.17x = 650,470.93 × 424,724.33
  4. Step 4: Simplify right side
    434,172.17x = 276,270,830,493.09
  5. Step 5: Solve for x
    x = 276,270,830,493.09/434,172.17
  6. Step 6: Final answer
    x = 636,316.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.