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Finding the Fourth Proportional to 624,725.69, 937,088.49 and 151,411.06

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Solution

The fourth proportional to 624,725.69, 937,088.49 and 151,411.06 is: 227,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,725.69 : 937,088.49 = 151,411.06 : x
  2. Step 2: Convert to fraction form
    624,725.69/937,088.49 = 151,411.06/x
  3. Step 3: Cross multiply
    624,725.69x = 937,088.49 × 151,411.06
  4. Step 4: Simplify right side
    624,725.69x = 141,885,556,899.26
  5. Step 5: Solve for x
    x = 141,885,556,899.26/624,725.69
  6. Step 6: Final answer
    x = 227,116.57

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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.