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Finding the Fourth Proportional to 349,562.88, 525,050.88 and 209,587.20

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Solution

The fourth proportional to 349,562.88, 525,050.88 and 209,587.20 is: 314,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,562.88 : 525,050.88 = 209,587.20 : x
  2. Step 2: Convert to fraction form
    349,562.88/525,050.88 = 209,587.20/x
  3. Step 3: Cross multiply
    349,562.88x = 525,050.88 × 209,587.20
  4. Step 4: Simplify right side
    349,562.88x = 110,043,943,796.74
  5. Step 5: Solve for x
    x = 110,043,943,796.74/349,562.88
  6. Step 6: Final answer
    x = 314,804.43

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1.5x scale

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.