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Finding the Fourth Proportional to 531,659.40, 733,673.52 and 302,241.72

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Solution

The fourth proportional to 531,659.40, 733,673.52 and 302,241.72 is: 417,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,659.40 : 733,673.52 = 302,241.72 : x
  2. Step 2: Convert to fraction form
    531,659.40/733,673.52 = 302,241.72/x
  3. Step 3: Cross multiply
    531,659.40x = 733,673.52 × 302,241.72
  4. Step 4: Simplify right side
    531,659.40x = 221,746,746,603.25
  5. Step 5: Solve for x
    x = 221,746,746,603.25/531,659.40
  6. Step 6: Final answer
    x = 417,084.22

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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.