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Finding the Fourth Proportional to 531,690.52, 733,703.73 and 302,215.90

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Solution

The fourth proportional to 531,690.52, 733,703.73 and 302,215.90 is: 417,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,690.52 : 733,703.73 = 302,215.90 : x
  2. Step 2: Convert to fraction form
    531,690.52/733,703.73 = 302,215.90/x
  3. Step 3: Cross multiply
    531,690.52x = 733,703.73 × 302,215.90
  4. Step 4: Simplify right side
    531,690.52x = 221,736,933,095.31
  5. Step 5: Solve for x
    x = 221,736,933,095.31/531,690.52
  6. Step 6: Final answer
    x = 417,041.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.