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Finding the Fourth Proportional to 341,349.00, 511,978.55 and 101,457.78

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Solution

The fourth proportional to 341,349.00, 511,978.55 and 101,457.78 is: 152,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,349.00 : 511,978.55 = 101,457.78 : x
  2. Step 2: Convert to fraction form
    341,349.00/511,978.55 = 101,457.78/x
  3. Step 3: Cross multiply
    341,349.00x = 511,978.55 × 101,457.78
  4. Step 4: Simplify right side
    341,349.00x = 51,944,209,073.95
  5. Step 5: Solve for x
    x = 51,944,209,073.95/341,349.00
  6. Step 6: Final answer
    x = 152,173.31

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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.