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Finding the Fourth Proportional to 357,694, 536,623.92 and 104,964.16

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Solution

The fourth proportional to 357,694, 536,623.92 and 104,964.16 is: 157,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,694 : 536,623.92 = 104,964.16 : x
  2. Step 2: Convert to fraction form
    357,694/536,623.92 = 104,964.16/x
  3. Step 3: Cross multiply
    357,694x = 536,623.92 × 104,964.16
  4. Step 4: Simplify right side
    357,694x = 56,326,278,998.71
  5. Step 5: Solve for x
    x = 56,326,278,998.71/357,694
  6. Step 6: Final answer
    x = 157,470.57

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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.