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Finding the Fourth Proportional to 529,647.19, 730,677.06 and 352,885.64

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Solution

The fourth proportional to 529,647.19, 730,677.06 and 352,885.64 is: 486,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,647.19 : 730,677.06 = 352,885.64 : x
  2. Step 2: Convert to fraction form
    529,647.19/730,677.06 = 352,885.64/x
  3. Step 3: Cross multiply
    529,647.19x = 730,677.06 × 352,885.64
  4. Step 4: Simplify right side
    529,647.19x = 257,845,438,298.03
  5. Step 5: Solve for x
    x = 257,845,438,298.03/529,647.19
  6. Step 6: Final answer
    x = 486,824.90

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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.