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Finding the Fourth Proportional to 510,071.14, 765,149.54 and 155,088.24

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Solution

The fourth proportional to 510,071.14, 765,149.54 and 155,088.24 is: 232,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,071.14 : 765,149.54 = 155,088.24 : x
  2. Step 2: Convert to fraction form
    510,071.14/765,149.54 = 155,088.24/x
  3. Step 3: Cross multiply
    510,071.14x = 765,149.54 × 155,088.24
  4. Step 4: Simplify right side
    510,071.14x = 118,665,695,495.41
  5. Step 5: Solve for x
    x = 118,665,695,495.41/510,071.14
  6. Step 6: Final answer
    x = 232,645.38

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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.