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Finding the Fourth Proportional to 369,298.54, 554,006.86 and 156,068.51

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Solution

The fourth proportional to 369,298.54, 554,006.86 and 156,068.51 is: 234,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,298.54 : 554,006.86 = 156,068.51 : x
  2. Step 2: Convert to fraction form
    369,298.54/554,006.86 = 156,068.51/x
  3. Step 3: Cross multiply
    369,298.54x = 554,006.86 × 156,068.51
  4. Step 4: Simplify right side
    369,298.54x = 86,463,022,009.77
  5. Step 5: Solve for x
    x = 86,463,022,009.77/369,298.54
  6. Step 6: Final answer
    x = 234,127.71

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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.