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Finding the Fourth Proportional to 576,714.38, 863,368.14 and 425,953.40

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Solution

The fourth proportional to 576,714.38, 863,368.14 and 425,953.40 is: 637,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,714.38 : 863,368.14 = 425,953.40 : x
  2. Step 2: Convert to fraction form
    576,714.38/863,368.14 = 425,953.40/x
  3. Step 3: Cross multiply
    576,714.38x = 863,368.14 × 425,953.40
  4. Step 4: Simplify right side
    576,714.38x = 367,754,594,684.68
  5. Step 5: Solve for x
    x = 367,754,594,684.68/576,714.38
  6. Step 6: Final answer
    x = 637,671.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.