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Finding the Fourth Proportional to 554,366.52, 765,025.72 and 299,717.71

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Solution

The fourth proportional to 554,366.52, 765,025.72 and 299,717.71 is: 413,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,366.52 : 765,025.72 = 299,717.71 : x
  2. Step 2: Convert to fraction form
    554,366.52/765,025.72 = 299,717.71/x
  3. Step 3: Cross multiply
    554,366.52x = 765,025.72 × 299,717.71
  4. Step 4: Simplify right side
    554,366.52x = 229,291,756,889.50
  5. Step 5: Solve for x
    x = 229,291,756,889.50/554,366.52
  6. Step 6: Final answer
    x = 413,610.40

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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.