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Finding the Fourth Proportional to 484,509.58, 668,623.23 and 269,700.39

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Solution

The fourth proportional to 484,509.58, 668,623.23 and 269,700.39 is: 372,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,509.58 : 668,623.23 = 269,700.39 : x
  2. Step 2: Convert to fraction form
    484,509.58/668,623.23 = 269,700.39/x
  3. Step 3: Cross multiply
    484,509.58x = 668,623.23 × 269,700.39
  4. Step 4: Simplify right side
    484,509.58x = 180,327,943,881.86
  5. Step 5: Solve for x
    x = 180,327,943,881.86/484,509.58
  6. Step 6: Final answer
    x = 372,186.54

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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.