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Finding the Fourth Proportional to 369,643.98, 554,253.72 and 144,741.08

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Solution

The fourth proportional to 369,643.98, 554,253.72 and 144,741.08 is: 217,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,643.98 : 554,253.72 = 144,741.08 : x
  2. Step 2: Convert to fraction form
    369,643.98/554,253.72 = 144,741.08/x
  3. Step 3: Cross multiply
    369,643.98x = 554,253.72 × 144,741.08
  4. Step 4: Simplify right side
    369,643.98x = 80,223,282,026.82
  5. Step 5: Solve for x
    x = 80,223,282,026.82/369,643.98
  6. Step 6: Final answer
    x = 217,028.51

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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.