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Finding the Fourth Proportional to 594,215.02, 819,751.35 and 352,507.78

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Solution

The fourth proportional to 594,215.02, 819,751.35 and 352,507.78 is: 486,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,215.02 : 819,751.35 = 352,507.78 : x
  2. Step 2: Convert to fraction form
    594,215.02/819,751.35 = 352,507.78/x
  3. Step 3: Cross multiply
    594,215.02x = 819,751.35 × 352,507.78
  4. Step 4: Simplify right side
    594,215.02x = 288,968,728,540.50
  5. Step 5: Solve for x
    x = 288,968,728,540.50/594,215.02
  6. Step 6: Final answer
    x = 486,303.31

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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.