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Finding the Fourth Proportional to 602,684.37, 831,701.82 and 330,756.66

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Solution

The fourth proportional to 602,684.37, 831,701.82 and 330,756.66 is: 456,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,684.37 : 831,701.82 = 330,756.66 : x
  2. Step 2: Convert to fraction form
    602,684.37/831,701.82 = 330,756.66/x
  3. Step 3: Cross multiply
    602,684.37x = 831,701.82 × 330,756.66
  4. Step 4: Simplify right side
    602,684.37x = 275,090,917,339.46
  5. Step 5: Solve for x
    x = 275,090,917,339.46/602,684.37
  6. Step 6: Final answer
    x = 456,442.76

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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.