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Finding the Fourth Proportional to 504,478.35, 756,714.78 and 216,247.54

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Solution

The fourth proportional to 504,478.35, 756,714.78 and 216,247.54 is: 324,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,478.35 : 756,714.78 = 216,247.54 : x
  2. Step 2: Convert to fraction form
    504,478.35/756,714.78 = 216,247.54/x
  3. Step 3: Cross multiply
    504,478.35x = 756,714.78 × 216,247.54
  4. Step 4: Simplify right side
    504,478.35x = 163,637,709,656.64
  5. Step 5: Solve for x
    x = 163,637,709,656.64/504,478.35
  6. Step 6: Final answer
    x = 324,370.14

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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.