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Finding the Fourth Proportional to 436,373.84, 602,192.10 and 245,383.16

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Solution

The fourth proportional to 436,373.84, 602,192.10 and 245,383.16 is: 338,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,373.84 : 602,192.10 = 245,383.16 : x
  2. Step 2: Convert to fraction form
    436,373.84/602,192.10 = 245,383.16/x
  3. Step 3: Cross multiply
    436,373.84x = 602,192.10 × 245,383.16
  4. Step 4: Simplify right side
    436,373.84x = 147,767,800,425.04
  5. Step 5: Solve for x
    x = 147,767,800,425.04/436,373.84
  6. Step 6: Final answer
    x = 338,626.62

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Double scale
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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.