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Finding the Fourth Proportional to 633,191.46, 873,805.62 and 342,806.08

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Solution

The fourth proportional to 633,191.46, 873,805.62 and 342,806.08 is: 473,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,191.46 : 873,805.62 = 342,806.08 : x
  2. Step 2: Convert to fraction form
    633,191.46/873,805.62 = 342,806.08/x
  3. Step 3: Cross multiply
    633,191.46x = 873,805.62 × 342,806.08
  4. Step 4: Simplify right side
    633,191.46x = 299,545,879,274.17
  5. Step 5: Solve for x
    x = 299,545,879,274.17/633,191.46
  6. Step 6: Final answer
    x = 473,073.15

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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.