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Finding the Fourth Proportional to 557,298.70, 835,684.53 and 215,902.06

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Solution

The fourth proportional to 557,298.70, 835,684.53 and 215,902.06 is: 323,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,298.70 : 835,684.53 = 215,902.06 : x
  2. Step 2: Convert to fraction form
    557,298.70/835,684.53 = 215,902.06/x
  3. Step 3: Cross multiply
    557,298.70x = 835,684.53 × 215,902.06
  4. Step 4: Simplify right side
    557,298.70x = 180,426,011,537.13
  5. Step 5: Solve for x
    x = 180,426,011,537.13/557,298.70
  6. Step 6: Final answer
    x = 323,751.00

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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.