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Finding the Fourth Proportional to 364,412.79, 502,890.39 and 203,263.70

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Solution

The fourth proportional to 364,412.79, 502,890.39 and 203,263.70 is: 280,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,412.79 : 502,890.39 = 203,263.70 : x
  2. Step 2: Convert to fraction form
    364,412.79/502,890.39 = 203,263.70/x
  3. Step 3: Cross multiply
    364,412.79x = 502,890.39 × 203,263.70
  4. Step 4: Simplify right side
    364,412.79x = 102,219,358,851.39
  5. Step 5: Solve for x
    x = 102,219,358,851.39/364,412.79
  6. Step 6: Final answer
    x = 280,504.31

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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.