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Finding the Fourth Proportional to 623,697.19, 935,661.17 and 197,340.34

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Solution

The fourth proportional to 623,697.19, 935,661.17 and 197,340.34 is: 296,047.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,697.19 : 935,661.17 = 197,340.34 : x
  2. Step 2: Convert to fraction form
    623,697.19/935,661.17 = 197,340.34/x
  3. Step 3: Cross multiply
    623,697.19x = 935,661.17 × 197,340.34
  4. Step 4: Simplify right side
    623,697.19x = 184,643,693,979.05
  5. Step 5: Solve for x
    x = 184,643,693,979.05/623,697.19
  6. Step 6: Final answer
    x = 296,047.02

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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.