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Finding the Fourth Proportional to 346,512.96, 478,045.44 and 233,372.16

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Solution

The fourth proportional to 346,512.96, 478,045.44 and 233,372.16 is: 321,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,512.96 : 478,045.44 = 233,372.16 : x
  2. Step 2: Convert to fraction form
    346,512.96/478,045.44 = 233,372.16/x
  3. Step 3: Cross multiply
    346,512.96x = 478,045.44 × 233,372.16
  4. Step 4: Simplify right side
    346,512.96x = 111,562,496,910.95
  5. Step 5: Solve for x
    x = 111,562,496,910.95/346,512.96
  6. Step 6: Final answer
    x = 321,957.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.