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Finding the Fourth Proportional to 602,112.08, 830,926.08 and 330,163.76

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Solution

The fourth proportional to 602,112.08, 830,926.08 and 330,163.76 is: 455,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,112.08 : 830,926.08 = 330,163.76 : x
  2. Step 2: Convert to fraction form
    602,112.08/830,926.08 = 330,163.76/x
  3. Step 3: Cross multiply
    602,112.08x = 830,926.08 × 330,163.76
  4. Step 4: Simplify right side
    602,112.08x = 274,341,673,049.41
  5. Step 5: Solve for x
    x = 274,341,673,049.41/602,112.08
  6. Step 6: Final answer
    x = 455,632.24

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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.