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Finding the Fourth Proportional to 356,574.69, 492,068.93 and 193,227.93

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Solution

The fourth proportional to 356,574.69, 492,068.93 and 193,227.93 is: 266,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,574.69 : 492,068.93 = 193,227.93 : x
  2. Step 2: Convert to fraction form
    356,574.69/492,068.93 = 193,227.93/x
  3. Step 3: Cross multiply
    356,574.69x = 492,068.93 × 193,227.93
  4. Step 4: Simplify right side
    356,574.69x = 95,081,459,795.08
  5. Step 5: Solve for x
    x = 95,081,459,795.08/356,574.69
  6. Step 6: Final answer
    x = 266,652.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.