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Finding the Fourth Proportional to 341,416.60, 512,124.90 and 235,128.40

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Solution

The fourth proportional to 341,416.60, 512,124.90 and 235,128.40 is: 352,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,416.60 : 512,124.90 = 235,128.40 : x
  2. Step 2: Convert to fraction form
    341,416.60/512,124.90 = 235,128.40/x
  3. Step 3: Cross multiply
    341,416.60x = 512,124.90 × 235,128.40
  4. Step 4: Simplify right side
    341,416.60x = 120,415,108,337.16
  5. Step 5: Solve for x
    x = 120,415,108,337.16/341,416.60
  6. Step 6: Final answer
    x = 352,692.60

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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.