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Finding the Fourth Proportional to 353,527.40, 487,878.08 and 192,392.84

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Solution

The fourth proportional to 353,527.40, 487,878.08 and 192,392.84 is: 265,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,527.40 : 487,878.08 = 192,392.84 : x
  2. Step 2: Convert to fraction form
    353,527.40/487,878.08 = 192,392.84/x
  3. Step 3: Cross multiply
    353,527.40x = 487,878.08 × 192,392.84
  4. Step 4: Simplify right side
    353,527.40x = 93,864,249,384.95
  5. Step 5: Solve for x
    x = 93,864,249,384.95/353,527.40
  6. Step 6: Final answer
    x = 265,507.71

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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.