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Finding the Fourth Proportional to 543,952.93, 815,929.24 and 169,975.93

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Solution

The fourth proportional to 543,952.93, 815,929.24 and 169,975.93 is: 254,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,952.93 : 815,929.24 = 169,975.93 : x
  2. Step 2: Convert to fraction form
    543,952.93/815,929.24 = 169,975.93/x
  3. Step 3: Cross multiply
    543,952.93x = 815,929.24 × 169,975.93
  4. Step 4: Simplify right side
    543,952.93x = 138,688,331,383.19
  5. Step 5: Solve for x
    x = 138,688,331,383.19/543,952.93
  6. Step 6: Final answer
    x = 254,963.85

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Half scale
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Double scale
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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.