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Finding the Fourth Proportional to 613,322.96, 846,385.52 and 341,385.03

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Solution

The fourth proportional to 613,322.96, 846,385.52 and 341,385.03 is: 471,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,322.96 : 846,385.52 = 341,385.03 : x
  2. Step 2: Convert to fraction form
    613,322.96/846,385.52 = 341,385.03/x
  3. Step 3: Cross multiply
    613,322.96x = 846,385.52 × 341,385.03
  4. Step 4: Simplify right side
    613,322.96x = 288,943,344,429.84
  5. Step 5: Solve for x
    x = 288,943,344,429.84/613,322.96
  6. Step 6: Final answer
    x = 471,111.25

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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.