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Finding the Fourth Proportional to 429,682.64, 592,940.76 and 248,377.32

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Solution

The fourth proportional to 429,682.64, 592,940.76 and 248,377.32 is: 342,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,682.64 : 592,940.76 = 248,377.32 : x
  2. Step 2: Convert to fraction form
    429,682.64/592,940.76 = 248,377.32/x
  3. Step 3: Cross multiply
    429,682.64x = 592,940.76 × 248,377.32
  4. Step 4: Simplify right side
    429,682.64x = 147,273,036,887.56
  5. Step 5: Solve for x
    x = 147,273,036,887.56/429,682.64
  6. Step 6: Final answer
    x = 342,748.40

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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.