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Finding the Fourth Proportional to 364,439.16, 502,814.39 and 211,424.22

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Solution

The fourth proportional to 364,439.16, 502,814.39 and 211,424.22 is: 291,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,439.16 : 502,814.39 = 211,424.22 : x
  2. Step 2: Convert to fraction form
    364,439.16/502,814.39 = 211,424.22/x
  3. Step 3: Cross multiply
    364,439.16x = 502,814.39 × 211,424.22
  4. Step 4: Simplify right side
    364,439.16x = 106,307,139,153.41
  5. Step 5: Solve for x
    x = 106,307,139,153.41/364,439.16
  6. Step 6: Final answer
    x = 291,700.65

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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.