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Finding the Fourth Proportional to 545,430.15, 817,029.85 and 444,587.58

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Solution

The fourth proportional to 545,430.15, 817,029.85 and 444,587.58 is: 665,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,430.15 : 817,029.85 = 444,587.58 : x
  2. Step 2: Convert to fraction form
    545,430.15/817,029.85 = 444,587.58/x
  3. Step 3: Cross multiply
    545,430.15x = 817,029.85 × 444,587.58
  4. Step 4: Simplify right side
    545,430.15x = 363,241,322,687.79
  5. Step 5: Solve for x
    x = 363,241,322,687.79/545,430.15
  6. Step 6: Final answer
    x = 665,972.21

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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.