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Finding the Fourth Proportional to 364,501.54, 503,011.40 and 203,346.98

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Solution

The fourth proportional to 364,501.54, 503,011.40 and 203,346.98 is: 280,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,501.54 : 503,011.40 = 203,346.98 : x
  2. Step 2: Convert to fraction form
    364,501.54/503,011.40 = 203,346.98/x
  3. Step 3: Cross multiply
    364,501.54x = 503,011.40 × 203,346.98
  4. Step 4: Simplify right side
    364,501.54x = 102,285,849,095.57
  5. Step 5: Solve for x
    x = 102,285,849,095.57/364,501.54
  6. Step 6: Final answer
    x = 280,618.43

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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.