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Finding the Fourth Proportional to 356,210.41, 534,203.87 and 103,508.37

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Solution

The fourth proportional to 356,210.41, 534,203.87 and 103,508.37 is: 155,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,210.41 : 534,203.87 = 103,508.37 : x
  2. Step 2: Convert to fraction form
    356,210.41/534,203.87 = 103,508.37/x
  3. Step 3: Cross multiply
    356,210.41x = 534,203.87 × 103,508.37
  4. Step 4: Simplify right side
    356,210.41x = 55,294,571,313.85
  5. Step 5: Solve for x
    x = 55,294,571,313.85/356,210.41
  6. Step 6: Final answer
    x = 155,230.08

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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.