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Finding the Fourth Proportional to 417,347.32, 626,009.82 and 117,848.56

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Solution

The fourth proportional to 417,347.32, 626,009.82 and 117,848.56 is: 176,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,347.32 : 626,009.82 = 117,848.56 : x
  2. Step 2: Convert to fraction form
    417,347.32/626,009.82 = 117,848.56/x
  3. Step 3: Cross multiply
    417,347.32x = 626,009.82 × 117,848.56
  4. Step 4: Simplify right side
    417,347.32x = 73,774,355,832.86
  5. Step 5: Solve for x
    x = 73,774,355,832.86/417,347.32
  6. Step 6: Final answer
    x = 176,769.69

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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.