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Finding the Fourth Proportional to 608,936.40, 913,404.60 and 591,440.40

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Solution

The fourth proportional to 608,936.40, 913,404.60 and 591,440.40 is: 887,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,936.40 : 913,404.60 = 591,440.40 : x
  2. Step 2: Convert to fraction form
    608,936.40/913,404.60 = 591,440.40/x
  3. Step 3: Cross multiply
    608,936.40x = 913,404.60 × 591,440.40
  4. Step 4: Simplify right side
    608,936.40x = 540,224,381,985.84
  5. Step 5: Solve for x
    x = 540,224,381,985.84/608,936.40
  6. Step 6: Final answer
    x = 887,160.60

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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.