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Finding the Fourth Proportional to 342,598.17, 472,473.09 and 294,184.88

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Solution

The fourth proportional to 342,598.17, 472,473.09 and 294,184.88 is: 405,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,598.17 : 472,473.09 = 294,184.88 : x
  2. Step 2: Convert to fraction form
    342,598.17/472,473.09 = 294,184.88/x
  3. Step 3: Cross multiply
    342,598.17x = 472,473.09 × 294,184.88
  4. Step 4: Simplify right side
    342,598.17x = 138,994,436,922.51
  5. Step 5: Solve for x
    x = 138,994,436,922.51/342,598.17
  6. Step 6: Final answer
    x = 405,706.89

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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.