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Finding the Fourth Proportional to 503,926.60, 695,419.65 and 274,483.18

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Solution

The fourth proportional to 503,926.60, 695,419.65 and 274,483.18 is: 378,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,926.60 : 695,419.65 = 274,483.18 : x
  2. Step 2: Convert to fraction form
    503,926.60/695,419.65 = 274,483.18/x
  3. Step 3: Cross multiply
    503,926.60x = 695,419.65 × 274,483.18
  4. Step 4: Simplify right side
    503,926.60x = 190,880,996,966.49
  5. Step 5: Solve for x
    x = 190,880,996,966.49/503,926.60
  6. Step 6: Final answer
    x = 378,787.30

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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.