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Finding the Fourth Proportional to 555,277.43, 832,966.97 and 155,915.51

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Solution

The fourth proportional to 555,277.43, 832,966.97 and 155,915.51 is: 233,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,277.43 : 832,966.97 = 155,915.51 : x
  2. Step 2: Convert to fraction form
    555,277.43/832,966.97 = 155,915.51/x
  3. Step 3: Cross multiply
    555,277.43x = 832,966.97 × 155,915.51
  4. Step 4: Simplify right side
    555,277.43x = 129,872,467,858.29
  5. Step 5: Solve for x
    x = 129,872,467,858.29/555,277.43
  6. Step 6: Final answer
    x = 233,887.53

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1.5x scale

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.