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Finding the Fourth Proportional to 524,065.68, 786,054.60 and 187,355.16

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Solution

The fourth proportional to 524,065.68, 786,054.60 and 187,355.16 is: 281,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,065.68 : 786,054.60 = 187,355.16 : x
  2. Step 2: Convert to fraction form
    524,065.68/786,054.60 = 187,355.16/x
  3. Step 3: Cross multiply
    524,065.68x = 786,054.60 × 187,355.16
  4. Step 4: Simplify right side
    524,065.68x = 147,271,385,351.74
  5. Step 5: Solve for x
    x = 147,271,385,351.74/524,065.68
  6. Step 6: Final answer
    x = 281,017.04

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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.