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Finding the Fourth Proportional to 360,152.79, 497,012.15 and 196,809.28

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Solution

The fourth proportional to 360,152.79, 497,012.15 and 196,809.28 is: 271,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,152.79 : 497,012.15 = 196,809.28 : x
  2. Step 2: Convert to fraction form
    360,152.79/497,012.15 = 196,809.28/x
  3. Step 3: Cross multiply
    360,152.79x = 497,012.15 × 196,809.28
  4. Step 4: Simplify right side
    360,152.79x = 97,816,603,392.75
  5. Step 5: Solve for x
    x = 97,816,603,392.75/360,152.79
  6. Step 6: Final answer
    x = 271,597.52

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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.