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Finding the Fourth Proportional to 978,737.10, 1,467,686.02 and 529,335.94

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Solution

The fourth proportional to 978,737.10, 1,467,686.02 and 529,335.94 is: 793,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,737.10 : 1,467,686.02 = 529,335.94 : x
  2. Step 2: Convert to fraction form
    978,737.10/1,467,686.02 = 529,335.94/x
  3. Step 3: Cross multiply
    978,737.10x = 1,467,686.02 × 529,335.94
  4. Step 4: Simplify right side
    978,737.10x = 776,898,959,021.56
  5. Step 5: Solve for x
    x = 776,898,959,021.56/978,737.10
  6. Step 6: Final answer
    x = 793,776.96

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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.