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Finding the Fourth Proportional to 364,419.84, 502,911.84 and 211,446.24

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Solution

The fourth proportional to 364,419.84, 502,911.84 and 211,446.24 is: 291,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,419.84 : 502,911.84 = 211,446.24 : x
  2. Step 2: Convert to fraction form
    364,419.84/502,911.84 = 211,446.24/x
  3. Step 3: Cross multiply
    364,419.84x = 502,911.84 × 211,446.24
  4. Step 4: Simplify right side
    364,419.84x = 106,338,817,619.48
  5. Step 5: Solve for x
    x = 106,338,817,619.48/364,419.84
  6. Step 6: Final answer
    x = 291,803.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.