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Finding the Fourth Proportional to 346,245.96, 518,002.44 and 262,248.12

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Solution

The fourth proportional to 346,245.96, 518,002.44 and 262,248.12 is: 392,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,245.96 : 518,002.44 = 262,248.12 : x
  2. Step 2: Convert to fraction form
    346,245.96/518,002.44 = 262,248.12/x
  3. Step 3: Cross multiply
    346,245.96x = 518,002.44 × 262,248.12
  4. Step 4: Simplify right side
    346,245.96x = 135,845,166,045.41
  5. Step 5: Solve for x
    x = 135,845,166,045.41/346,245.96
  6. Step 6: Final answer
    x = 392,337.19

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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.