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Finding the Fourth Proportional to 344,934.40, 517,401.60 and 303,462.40

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Solution

The fourth proportional to 344,934.40, 517,401.60 and 303,462.40 is: 455,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,934.40 : 517,401.60 = 303,462.40 : x
  2. Step 2: Convert to fraction form
    344,934.40/517,401.60 = 303,462.40/x
  3. Step 3: Cross multiply
    344,934.40x = 517,401.60 × 303,462.40
  4. Step 4: Simplify right side
    344,934.40x = 157,011,931,299.84
  5. Step 5: Solve for x
    x = 157,011,931,299.84/344,934.40
  6. Step 6: Final answer
    x = 455,193.60

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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.