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Finding the Fourth Proportional to 429,736.64, 593,001.80 and 248,460.20

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Solution

The fourth proportional to 429,736.64, 593,001.80 and 248,460.20 is: 342,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,736.64 : 593,001.80 = 248,460.20 : x
  2. Step 2: Convert to fraction form
    429,736.64/593,001.80 = 248,460.20/x
  3. Step 3: Cross multiply
    429,736.64x = 593,001.80 × 248,460.20
  4. Step 4: Simplify right side
    429,736.64x = 147,337,345,828.36
  5. Step 5: Solve for x
    x = 147,337,345,828.36/429,736.64
  6. Step 6: Final answer
    x = 342,854.98

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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.