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Finding the Fourth Proportional to 356,124.49, 534,228.95 and 223,015.77

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Solution

The fourth proportional to 356,124.49, 534,228.95 and 223,015.77 is: 334,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,124.49 : 534,228.95 = 223,015.77 : x
  2. Step 2: Convert to fraction form
    356,124.49/534,228.95 = 223,015.77/x
  3. Step 3: Cross multiply
    356,124.49x = 534,228.95 × 223,015.77
  4. Step 4: Simplify right side
    356,124.49x = 119,141,480,640.54
  5. Step 5: Solve for x
    x = 119,141,480,640.54/356,124.49
  6. Step 6: Final answer
    x = 334,550.09

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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.