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Finding the Fourth Proportional to 602,352.30, 831,288.36 and 344,267.28

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Solution

The fourth proportional to 602,352.30, 831,288.36 and 344,267.28 is: 475,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,352.30 : 831,288.36 = 344,267.28 : x
  2. Step 2: Convert to fraction form
    602,352.30/831,288.36 = 344,267.28/x
  3. Step 3: Cross multiply
    602,352.30x = 831,288.36 × 344,267.28
  4. Step 4: Simplify right side
    602,352.30x = 286,185,382,592.86
  5. Step 5: Solve for x
    x = 286,185,382,592.86/602,352.30
  6. Step 6: Final answer
    x = 475,112.96

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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.