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Finding the Fourth Proportional to 437,937.82, 604,354.66 and 256,613.64

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Solution

The fourth proportional to 437,937.82, 604,354.66 and 256,613.64 is: 354,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,937.82 : 604,354.66 = 256,613.64 : x
  2. Step 2: Convert to fraction form
    437,937.82/604,354.66 = 256,613.64/x
  3. Step 3: Cross multiply
    437,937.82x = 604,354.66 × 256,613.64
  4. Step 4: Simplify right side
    437,937.82x = 155,085,649,153.56
  5. Step 5: Solve for x
    x = 155,085,649,153.56/437,937.82
  6. Step 6: Final answer
    x = 354,127.10

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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.