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Finding the Fourth Proportional to 608,159.13, 839,392.83 and 353,657.13

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Solution

The fourth proportional to 608,159.13, 839,392.83 and 353,657.13 is: 488,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,159.13 : 839,392.83 = 353,657.13 : x
  2. Step 2: Convert to fraction form
    608,159.13/839,392.83 = 353,657.13/x
  3. Step 3: Cross multiply
    608,159.13x = 839,392.83 × 353,657.13
  4. Step 4: Simplify right side
    608,159.13x = 296,857,259,200.38
  5. Step 5: Solve for x
    x = 296,857,259,200.38/608,159.13
  6. Step 6: Final answer
    x = 488,124.32

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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.