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Finding the Fourth Proportional to 536,827.40, 805,342.70 and 177,018.92

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Solution

The fourth proportional to 536,827.40, 805,342.70 and 177,018.92 is: 265,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,827.40 : 805,342.70 = 177,018.92 : x
  2. Step 2: Convert to fraction form
    536,827.40/805,342.70 = 177,018.92/x
  3. Step 3: Cross multiply
    536,827.40x = 805,342.70 × 177,018.92
  4. Step 4: Simplify right side
    536,827.40x = 142,560,894,983.88
  5. Step 5: Solve for x
    x = 142,560,894,983.88/536,827.40
  6. Step 6: Final answer
    x = 265,561.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.