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Finding the Fourth Proportional to 624,717.72, 937,068.28 and 151,407.16

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Solution

The fourth proportional to 624,717.72, 937,068.28 and 151,407.16 is: 227,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,717.72 : 937,068.28 = 151,407.16 : x
  2. Step 2: Convert to fraction form
    624,717.72/937,068.28 = 151,407.16/x
  3. Step 3: Cross multiply
    624,717.72x = 937,068.28 × 151,407.16
  4. Step 4: Simplify right side
    624,717.72x = 141,878,847,000.89
  5. Step 5: Solve for x
    x = 141,878,847,000.89/624,717.72
  6. Step 6: Final answer
    x = 227,108.73

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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.