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Finding the Fourth Proportional to 243,225.04, 334,907.47 and 220,415.58

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Solution

The fourth proportional to 243,225.04, 334,907.47 and 220,415.58 is: 303,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,225.04 : 334,907.47 = 220,415.58 : x
  2. Step 2: Convert to fraction form
    243,225.04/334,907.47 = 220,415.58/x
  3. Step 3: Cross multiply
    243,225.04x = 334,907.47 × 220,415.58
  4. Step 4: Simplify right side
    243,225.04x = 73,818,822,571.85
  5. Step 5: Solve for x
    x = 73,818,822,571.85/243,225.04
  6. Step 6: Final answer
    x = 303,500.09

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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.