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Finding the Fourth Proportional to 369,628.51, 554,359.12 and 169,756.76

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Solution

The fourth proportional to 369,628.51, 554,359.12 and 169,756.76 is: 254,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,628.51 : 554,359.12 = 169,756.76 : x
  2. Step 2: Convert to fraction form
    369,628.51/554,359.12 = 169,756.76/x
  3. Step 3: Cross multiply
    369,628.51x = 554,359.12 × 169,756.76
  4. Step 4: Simplify right side
    369,628.51x = 94,106,208,087.65
  5. Step 5: Solve for x
    x = 94,106,208,087.65/369,628.51
  6. Step 6: Final answer
    x = 254,596.72

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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.