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Finding the Fourth Proportional to 531,365.79, 733,257.06 and 301,891.23

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Solution

The fourth proportional to 531,365.79, 733,257.06 and 301,891.23 is: 416,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,365.79 : 733,257.06 = 301,891.23 : x
  2. Step 2: Convert to fraction form
    531,365.79/733,257.06 = 301,891.23/x
  3. Step 3: Cross multiply
    531,365.79x = 733,257.06 × 301,891.23
  4. Step 4: Simplify right side
    531,365.79x = 221,363,875,749.58
  5. Step 5: Solve for x
    x = 221,363,875,749.58/531,365.79
  6. Step 6: Final answer
    x = 416,594.14

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1.5x scale

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.