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Finding the Fourth Proportional to 602,618.76, 831,407.91 and 344,310.37

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Solution

The fourth proportional to 602,618.76, 831,407.91 and 344,310.37 is: 475,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,618.76 : 831,407.91 = 344,310.37 : x
  2. Step 2: Convert to fraction form
    602,618.76/831,407.91 = 344,310.37/x
  3. Step 3: Cross multiply
    602,618.76x = 831,407.91 × 344,310.37
  4. Step 4: Simplify right side
    602,618.76x = 286,262,365,113.03
  5. Step 5: Solve for x
    x = 286,262,365,113.03/602,618.76
  6. Step 6: Final answer
    x = 475,030.62

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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.