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Finding the Fourth Proportional to 350,454.33, 525,681.43 and 84,214.84

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Solution

The fourth proportional to 350,454.33, 525,681.43 and 84,214.84 is: 126,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,454.33 : 525,681.43 = 84,214.84 : x
  2. Step 2: Convert to fraction form
    350,454.33/525,681.43 = 84,214.84/x
  3. Step 3: Cross multiply
    350,454.33x = 525,681.43 × 84,214.84
  4. Step 4: Simplify right side
    350,454.33x = 44,270,177,518.42
  5. Step 5: Solve for x
    x = 44,270,177,518.42/350,454.33
  6. Step 6: Final answer
    x = 126,322.25

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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.