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Finding the Fourth Proportional to 607,041.72, 910,661.40 and 227,991.96

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Solution

The fourth proportional to 607,041.72, 910,661.40 and 227,991.96 is: 342,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,041.72 : 910,661.40 = 227,991.96 : x
  2. Step 2: Convert to fraction form
    607,041.72/910,661.40 = 227,991.96/x
  3. Step 3: Cross multiply
    607,041.72x = 910,661.40 × 227,991.96
  4. Step 4: Simplify right side
    607,041.72x = 207,623,477,482.34
  5. Step 5: Solve for x
    x = 207,623,477,482.34/607,041.72
  6. Step 6: Final answer
    x = 342,025.05

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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.