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Finding the Fourth Proportional to 535,507.08, 802,866.96 and 255,221.16

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Solution

The fourth proportional to 535,507.08, 802,866.96 and 255,221.16 is: 382,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,507.08 : 802,866.96 = 255,221.16 : x
  2. Step 2: Convert to fraction form
    535,507.08/802,866.96 = 255,221.16/x
  3. Step 3: Cross multiply
    535,507.08x = 802,866.96 × 255,221.16
  4. Step 4: Simplify right side
    535,507.08x = 204,908,636,856.87
  5. Step 5: Solve for x
    x = 204,908,636,856.87/535,507.08
  6. Step 6: Final answer
    x = 382,644.12

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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.