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Finding the Fourth Proportional to 341,403.30, 512,688.15 and 183,939.30

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Solution

The fourth proportional to 341,403.30, 512,688.15 and 183,939.30 is: 276,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,403.30 : 512,688.15 = 183,939.30 : x
  2. Step 2: Convert to fraction form
    341,403.30/512,688.15 = 183,939.30/x
  3. Step 3: Cross multiply
    341,403.30x = 512,688.15 × 183,939.30
  4. Step 4: Simplify right side
    341,403.30x = 94,303,499,429.30
  5. Step 5: Solve for x
    x = 94,303,499,429.30/341,403.30
  6. Step 6: Final answer
    x = 276,223.16

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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.