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Finding the Fourth Proportional to 602,326.45, 831,236.57 and 360,562.24

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Solution

The fourth proportional to 602,326.45, 831,236.57 and 360,562.24 is: 497,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,326.45 : 831,236.57 = 360,562.24 : x
  2. Step 2: Convert to fraction form
    602,326.45/831,236.57 = 360,562.24/x
  3. Step 3: Cross multiply
    602,326.45x = 831,236.57 × 360,562.24
  4. Step 4: Simplify right side
    602,326.45x = 299,712,519,649.12
  5. Step 5: Solve for x
    x = 299,712,519,649.12/602,326.45
  6. Step 6: Final answer
    x = 497,591.50

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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.