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Finding the Fourth Proportional to 850,358, 1,173,408.86 and 523,618.62

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Solution

The fourth proportional to 850,358, 1,173,408.86 and 523,618.62 is: 722,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,358 : 1,173,408.86 = 523,618.62 : x
  2. Step 2: Convert to fraction form
    850,358/1,173,408.86 = 523,618.62/x
  3. Step 3: Cross multiply
    850,358x = 1,173,408.86 × 523,618.62
  4. Step 4: Simplify right side
    850,358x = 614,418,727,968.97
  5. Step 5: Solve for x
    x = 614,418,727,968.97/850,358
  6. Step 6: Final answer
    x = 722,541.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.