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Finding the Fourth Proportional to 346,233.40, 519,350.10 and 308,908.60

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Solution

The fourth proportional to 346,233.40, 519,350.10 and 308,908.60 is: 463,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,233.40 : 519,350.10 = 308,908.60 : x
  2. Step 2: Convert to fraction form
    346,233.40/519,350.10 = 308,908.60/x
  3. Step 3: Cross multiply
    346,233.40x = 519,350.10 × 308,908.60
  4. Step 4: Simplify right side
    346,233.40x = 160,431,712,300.86
  5. Step 5: Solve for x
    x = 160,431,712,300.86/346,233.40
  6. Step 6: Final answer
    x = 463,362.90

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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.