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Finding the Fourth Proportional to 341,373.70, 512,352.15 and 152,125.30

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Solution

The fourth proportional to 341,373.70, 512,352.15 and 152,125.30 is: 228,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,373.70 : 512,352.15 = 152,125.30 : x
  2. Step 2: Convert to fraction form
    341,373.70/512,352.15 = 152,125.30/x
  3. Step 3: Cross multiply
    341,373.70x = 512,352.15 × 152,125.30
  4. Step 4: Simplify right side
    341,373.70x = 77,941,724,524.40
  5. Step 5: Solve for x
    x = 77,941,724,524.40/341,373.70
  6. Step 6: Final answer
    x = 228,317.89

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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.