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Finding the Fourth Proportional to 452,693.66, 678,987.44 and 153,173.35

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Solution

The fourth proportional to 452,693.66, 678,987.44 and 153,173.35 is: 229,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,693.66 : 678,987.44 = 153,173.35 : x
  2. Step 2: Convert to fraction form
    452,693.66/678,987.44 = 153,173.35/x
  3. Step 3: Cross multiply
    452,693.66x = 678,987.44 × 153,173.35
  4. Step 4: Simplify right side
    452,693.66x = 104,002,776,631.92
  5. Step 5: Solve for x
    x = 104,002,776,631.92/452,693.66
  6. Step 6: Final answer
    x = 229,742.07

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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.