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Finding the Fourth Proportional to 383,598.04, 529,345.92 and 213,799.36

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Solution

The fourth proportional to 383,598.04, 529,345.92 and 213,799.36 is: 295,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,598.04 : 529,345.92 = 213,799.36 : x
  2. Step 2: Convert to fraction form
    383,598.04/529,345.92 = 213,799.36/x
  3. Step 3: Cross multiply
    383,598.04x = 529,345.92 × 213,799.36
  4. Step 4: Simplify right side
    383,598.04x = 113,173,818,914.61
  5. Step 5: Solve for x
    x = 113,173,818,914.61/383,598.04
  6. Step 6: Final answer
    x = 295,032.32

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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.