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Finding the Fourth Proportional to 301,680.58, 452,520.47 and 77,041.18

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Solution

The fourth proportional to 301,680.58, 452,520.47 and 77,041.18 is: 115,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,680.58 : 452,520.47 = 77,041.18 : x
  2. Step 2: Convert to fraction form
    301,680.58/452,520.47 = 77,041.18/x
  3. Step 3: Cross multiply
    301,680.58x = 452,520.47 × 77,041.18
  4. Step 4: Simplify right side
    301,680.58x = 34,862,709,195.78
  5. Step 5: Solve for x
    x = 34,862,709,195.78/301,680.58
  6. Step 6: Final answer
    x = 115,561.66

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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.