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Finding the Fourth Proportional to 614,175.90, 847,551.51 and 345,903.90

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Solution

The fourth proportional to 614,175.90, 847,551.51 and 345,903.90 is: 477,341.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,175.90 : 847,551.51 = 345,903.90 : x
  2. Step 2: Convert to fraction form
    614,175.90/847,551.51 = 345,903.90/x
  3. Step 3: Cross multiply
    614,175.90x = 847,551.51 × 345,903.90
  4. Step 4: Simplify right side
    614,175.90x = 293,171,372,759.89
  5. Step 5: Solve for x
    x = 293,171,372,759.89/614,175.90
  6. Step 6: Final answer
    x = 477,341.06

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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.