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Finding the Fourth Proportional to 433,356.48, 650,047.68 and 117,820.08

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Solution

The fourth proportional to 433,356.48, 650,047.68 and 117,820.08 is: 176,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,356.48 : 650,047.68 = 117,820.08 : x
  2. Step 2: Convert to fraction form
    433,356.48/650,047.68 = 117,820.08/x
  3. Step 3: Cross multiply
    433,356.48x = 650,047.68 × 117,820.08
  4. Step 4: Simplify right side
    433,356.48x = 76,588,669,661.41
  5. Step 5: Solve for x
    x = 76,588,669,661.41/433,356.48
  6. Step 6: Final answer
    x = 176,733.64

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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.