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Finding the Fourth Proportional to 356,466.94, 534,673.50 and 103,749.40

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Solution

The fourth proportional to 356,466.94, 534,673.50 and 103,749.40 is: 155,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,466.94 : 534,673.50 = 103,749.40 : x
  2. Step 2: Convert to fraction form
    356,466.94/534,673.50 = 103,749.40/x
  3. Step 3: Cross multiply
    356,466.94x = 534,673.50 × 103,749.40
  4. Step 4: Simplify right side
    356,466.94x = 55,472,054,820.90
  5. Step 5: Solve for x
    x = 55,472,054,820.90/356,466.94
  6. Step 6: Final answer
    x = 155,616.27

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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.