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Finding the Fourth Proportional to 608,153.12, 839,384.53 and 353,651.12

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Solution

The fourth proportional to 608,153.12, 839,384.53 and 353,651.12 is: 488,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,153.12 : 839,384.53 = 353,651.12 : x
  2. Step 2: Convert to fraction form
    608,153.12/839,384.53 = 353,651.12/x
  3. Step 3: Cross multiply
    608,153.12x = 839,384.53 × 353,651.12
  4. Step 4: Simplify right side
    608,153.12x = 296,849,274,064.12
  5. Step 5: Solve for x
    x = 296,849,274,064.12/608,153.12
  6. Step 6: Final answer
    x = 488,116.01

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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.