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Finding the Fourth Proportional to 649,432.55, 896,218.20 and 362,952.63

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Solution

The fourth proportional to 649,432.55, 896,218.20 and 362,952.63 is: 500,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,432.55 : 896,218.20 = 362,952.63 : x
  2. Step 2: Convert to fraction form
    649,432.55/896,218.20 = 362,952.63/x
  3. Step 3: Cross multiply
    649,432.55x = 896,218.20 × 362,952.63
  4. Step 4: Simplify right side
    649,432.55x = 325,284,752,743.87
  5. Step 5: Solve for x
    x = 325,284,752,743.87/649,432.55
  6. Step 6: Final answer
    x = 500,875.34

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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.