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Finding the Fourth Proportional to 612,714.84, 917,497.61 and 375,337.86

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Solution

The fourth proportional to 612,714.84, 917,497.61 and 375,337.86 is: 562,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,714.84 : 917,497.61 = 375,337.86 : x
  2. Step 2: Convert to fraction form
    612,714.84/917,497.61 = 375,337.86/x
  3. Step 3: Cross multiply
    612,714.84x = 917,497.61 × 375,337.86
  4. Step 4: Simplify right side
    612,714.84x = 344,371,589,492.52
  5. Step 5: Solve for x
    x = 344,371,589,492.52/612,714.84
  6. Step 6: Final answer
    x = 562,042.19

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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.