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Finding the Fourth Proportional to 356,312.72, 534,607.32 and 134,714

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Solution

The fourth proportional to 356,312.72, 534,607.32 and 134,714 is: 202,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,312.72 : 534,607.32 = 134,714 : x
  2. Step 2: Convert to fraction form
    356,312.72/534,607.32 = 134,714/x
  3. Step 3: Cross multiply
    356,312.72x = 534,607.32 × 134,714
  4. Step 4: Simplify right side
    356,312.72x = 72,019,090,506.48
  5. Step 5: Solve for x
    x = 72,019,090,506.48/356,312.72
  6. Step 6: Final answer
    x = 202,123.27

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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.