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Finding the Fourth Proportional to 607,436, 911,208.48 and 158,160.76

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Solution

The fourth proportional to 607,436, 911,208.48 and 158,160.76 is: 237,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,436 : 911,208.48 = 158,160.76 : x
  2. Step 2: Convert to fraction form
    607,436/911,208.48 = 158,160.76/x
  3. Step 3: Cross multiply
    607,436x = 911,208.48 × 158,160.76
  4. Step 4: Simplify right side
    607,436x = 144,117,425,715.25
  5. Step 5: Solve for x
    x = 144,117,425,715.25/607,436
  6. Step 6: Final answer
    x = 237,255.33

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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.