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Finding the Fourth Proportional to 353,088.32, 487,256.14 and 191,947.42

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Solution

The fourth proportional to 353,088.32, 487,256.14 and 191,947.42 is: 264,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,088.32 : 487,256.14 = 191,947.42 : x
  2. Step 2: Convert to fraction form
    353,088.32/487,256.14 = 191,947.42/x
  3. Step 3: Cross multiply
    353,088.32x = 487,256.14 × 191,947.42
  4. Step 4: Simplify right side
    353,088.32x = 93,527,558,952.16
  5. Step 5: Solve for x
    x = 93,527,558,952.16/353,088.32
  6. Step 6: Final answer
    x = 264,884.32

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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.