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Finding the Fourth Proportional to 531,394.89, 733,298.45 and 301,921.87

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Solution

The fourth proportional to 531,394.89, 733,298.45 and 301,921.87 is: 416,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,394.89 : 733,298.45 = 301,921.87 : x
  2. Step 2: Convert to fraction form
    531,394.89/733,298.45 = 301,921.87/x
  3. Step 3: Cross multiply
    531,394.89x = 733,298.45 × 301,921.87
  4. Step 4: Simplify right side
    531,394.89x = 221,398,834,116.00
  5. Step 5: Solve for x
    x = 221,398,834,116.00/531,394.89
  6. Step 6: Final answer
    x = 416,637.12

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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.