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Finding the Fourth Proportional to 604,215.72, 833,839.64 and 346,142.56

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Solution

The fourth proportional to 604,215.72, 833,839.64 and 346,142.56 is: 477,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,215.72 : 833,839.64 = 346,142.56 : x
  2. Step 2: Convert to fraction form
    604,215.72/833,839.64 = 346,142.56/x
  3. Step 3: Cross multiply
    604,215.72x = 833,839.64 × 346,142.56
  4. Step 4: Simplify right side
    604,215.72x = 288,627,387,619.08
  5. Step 5: Solve for x
    x = 288,627,387,619.08/604,215.72
  6. Step 6: Final answer
    x = 477,689.31

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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.