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Finding the Fourth Proportional to 530,361.48, 795,542.28 and 436,670.40

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Solution

The fourth proportional to 530,361.48, 795,542.28 and 436,670.40 is: 655,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,361.48 : 795,542.28 = 436,670.40 : x
  2. Step 2: Convert to fraction form
    530,361.48/795,542.28 = 436,670.40/x
  3. Step 3: Cross multiply
    530,361.48x = 795,542.28 × 436,670.40
  4. Step 4: Simplify right side
    530,361.48x = 347,389,765,624.51
  5. Step 5: Solve for x
    x = 347,389,765,624.51/530,361.48
  6. Step 6: Final answer
    x = 655,005.65

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Similar ratio
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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.