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Finding the Fourth Proportional to 608,255.65, 839,356.74 and 336,302.20

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Solution

The fourth proportional to 608,255.65, 839,356.74 and 336,302.20 is: 464,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,255.65 : 839,356.74 = 336,302.20 : x
  2. Step 2: Convert to fraction form
    608,255.65/839,356.74 = 336,302.20/x
  3. Step 3: Cross multiply
    608,255.65x = 839,356.74 × 336,302.20
  4. Step 4: Simplify right side
    608,255.65x = 282,277,519,296.02
  5. Step 5: Solve for x
    x = 282,277,519,296.02/608,255.65
  6. Step 6: Final answer
    x = 464,077.10

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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.