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Finding the Fourth Proportional to 529,330.32, 793,989 and 248,649.12

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Solution

The fourth proportional to 529,330.32, 793,989 and 248,649.12 is: 372,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,330.32 : 793,989 = 248,649.12 : x
  2. Step 2: Convert to fraction form
    529,330.32/793,989 = 248,649.12/x
  3. Step 3: Cross multiply
    529,330.32x = 793,989 × 248,649.12
  4. Step 4: Simplify right side
    529,330.32x = 197,424,666,139.68
  5. Step 5: Solve for x
    x = 197,424,666,139.68/529,330.32
  6. Step 6: Final answer
    x = 372,970.64

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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.