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Finding the Fourth Proportional to 610,800.12, 915,757.20 and 410,623.92

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Solution

The fourth proportional to 610,800.12, 915,757.20 and 410,623.92 is: 615,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,800.12 : 915,757.20 = 410,623.92 : x
  2. Step 2: Convert to fraction form
    610,800.12/915,757.20 = 410,623.92/x
  3. Step 3: Cross multiply
    610,800.12x = 915,757.20 × 410,623.92
  4. Step 4: Simplify right side
    610,800.12x = 376,031,811,232.22
  5. Step 5: Solve for x
    x = 376,031,811,232.22/610,800.12
  6. Step 6: Final answer
    x = 615,638.08

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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.