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Finding the Fourth Proportional to 356,101.60, 534,152.40 and 317,394.40

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Solution

The fourth proportional to 356,101.60, 534,152.40 and 317,394.40 is: 476,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,101.60 : 534,152.40 = 317,394.40 : x
  2. Step 2: Convert to fraction form
    356,101.60/534,152.40 = 317,394.40/x
  3. Step 3: Cross multiply
    356,101.60x = 534,152.40 × 317,394.40
  4. Step 4: Simplify right side
    356,101.60x = 169,536,980,506.56
  5. Step 5: Solve for x
    x = 169,536,980,506.56/356,101.60
  6. Step 6: Final answer
    x = 476,091.60

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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.