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Finding the Fourth Proportional to 524,653.20, 786,979.80 and 169,703.10

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Solution

The fourth proportional to 524,653.20, 786,979.80 and 169,703.10 is: 254,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,653.20 : 786,979.80 = 169,703.10 : x
  2. Step 2: Convert to fraction form
    524,653.20/786,979.80 = 169,703.10/x
  3. Step 3: Cross multiply
    524,653.20x = 786,979.80 × 169,703.10
  4. Step 4: Simplify right side
    524,653.20x = 133,552,911,697.38
  5. Step 5: Solve for x
    x = 133,552,911,697.38/524,653.20
  6. Step 6: Final answer
    x = 254,554.65

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Similar ratio
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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.