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Finding the Fourth Proportional to 534,070.41, 736,685.19 and 330,183.69

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Solution

The fourth proportional to 534,070.41, 736,685.19 and 330,183.69 is: 455,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,070.41 : 736,685.19 = 330,183.69 : x
  2. Step 2: Convert to fraction form
    534,070.41/736,685.19 = 330,183.69/x
  3. Step 3: Cross multiply
    534,070.41x = 736,685.19 × 330,183.69
  4. Step 4: Simplify right side
    534,070.41x = 243,241,434,402.55
  5. Step 5: Solve for x
    x = 243,241,434,402.55/534,070.41
  6. Step 6: Final answer
    x = 455,448.25

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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.