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Finding the Fourth Proportional to 531,314.74, 733,192.86 and 289,592.11

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Solution

The fourth proportional to 531,314.74, 733,192.86 and 289,592.11 is: 399,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,314.74 : 733,192.86 = 289,592.11 : x
  2. Step 2: Convert to fraction form
    531,314.74/733,192.86 = 289,592.11/x
  3. Step 3: Cross multiply
    531,314.74x = 733,192.86 × 289,592.11
  4. Step 4: Simplify right side
    531,314.74x = 212,326,867,364.34
  5. Step 5: Solve for x
    x = 212,326,867,364.34/531,314.74
  6. Step 6: Final answer
    x = 399,625.40

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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.