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Finding the Fourth Proportional to 353,248.14, 487,485.70 and 192,104.72

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Solution

The fourth proportional to 353,248.14, 487,485.70 and 192,104.72 is: 265,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,248.14 : 487,485.70 = 192,104.72 : x
  2. Step 2: Convert to fraction form
    353,248.14/487,485.70 = 192,104.72/x
  3. Step 3: Cross multiply
    353,248.14x = 487,485.70 × 192,104.72
  4. Step 4: Simplify right side
    353,248.14x = 93,648,300,984.81
  5. Step 5: Solve for x
    x = 93,648,300,984.81/353,248.14
  6. Step 6: Final answer
    x = 265,106.28

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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.