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Finding the Fourth Proportional to 346,314.70, 519,860.85 and 267,777.10

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Solution

The fourth proportional to 346,314.70, 519,860.85 and 267,777.10 is: 401,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,314.70 : 519,860.85 = 267,777.10 : x
  2. Step 2: Convert to fraction form
    346,314.70/519,860.85 = 267,777.10/x
  3. Step 3: Cross multiply
    346,314.70x = 519,860.85 × 267,777.10
  4. Step 4: Simplify right side
    346,314.70x = 139,206,830,816.54
  5. Step 5: Solve for x
    x = 139,206,830,816.54/346,314.70
  6. Step 6: Final answer
    x = 401,966.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.