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Finding the Fourth Proportional to 597,387.71, 824,018.43 and 355,489.72

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Solution

The fourth proportional to 597,387.71, 824,018.43 and 355,489.72 is: 490,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,387.71 : 824,018.43 = 355,489.72 : x
  2. Step 2: Convert to fraction form
    597,387.71/824,018.43 = 355,489.72/x
  3. Step 3: Cross multiply
    597,387.71x = 824,018.43 × 355,489.72
  4. Step 4: Simplify right side
    597,387.71x = 292,930,080,228.58
  5. Step 5: Solve for x
    x = 292,930,080,228.58/597,387.71
  6. Step 6: Final answer
    x = 490,351.70

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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.