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Finding the Fourth Proportional to 524,054.89, 786,248.46 and 187,088.07

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Solution

The fourth proportional to 524,054.89, 786,248.46 and 187,088.07 is: 280,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,054.89 : 786,248.46 = 187,088.07 : x
  2. Step 2: Convert to fraction form
    524,054.89/786,248.46 = 187,088.07/x
  3. Step 3: Cross multiply
    524,054.89x = 786,248.46 × 187,088.07
  4. Step 4: Simplify right side
    524,054.89x = 147,097,709,870.30
  5. Step 5: Solve for x
    x = 147,097,709,870.30/524,054.89
  6. Step 6: Final answer
    x = 280,691.42

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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.