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Finding the Fourth Proportional to 525,682.06, 788,522.99 and 126,322.83

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Solution

The fourth proportional to 525,682.06, 788,522.99 and 126,322.83 is: 189,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,682.06 : 788,522.99 = 126,322.83 : x
  2. Step 2: Convert to fraction form
    525,682.06/788,522.99 = 126,322.83/x
  3. Step 3: Cross multiply
    525,682.06x = 788,522.99 × 126,322.83
  4. Step 4: Simplify right side
    525,682.06x = 99,608,454,985.25
  5. Step 5: Solve for x
    x = 99,608,454,985.25/525,682.06
  6. Step 6: Final answer
    x = 189,484.22

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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.