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Finding the Fourth Proportional to 554,592.45, 765,337.56 and 299,943.63

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Solution

The fourth proportional to 554,592.45, 765,337.56 and 299,943.63 is: 413,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,592.45 : 765,337.56 = 299,943.63 : x
  2. Step 2: Convert to fraction form
    554,592.45/765,337.56 = 299,943.63/x
  3. Step 3: Cross multiply
    554,592.45x = 765,337.56 × 299,943.63
  4. Step 4: Simplify right side
    554,592.45x = 229,558,125,921.74
  5. Step 5: Solve for x
    x = 229,558,125,921.74/554,592.45
  6. Step 6: Final answer
    x = 413,922.20

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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.