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Finding the Fourth Proportional to 437,920.30, 604,330.49 and 256,596.13

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Solution

The fourth proportional to 437,920.30, 604,330.49 and 256,596.13 is: 354,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,920.30 : 604,330.49 = 256,596.13 : x
  2. Step 2: Convert to fraction form
    437,920.30/604,330.49 = 256,596.13/x
  3. Step 3: Cross multiply
    437,920.30x = 604,330.49 × 256,596.13
  4. Step 4: Simplify right side
    437,920.30x = 155,068,864,975.00
  5. Step 5: Solve for x
    x = 155,068,864,975.00/437,920.30
  6. Step 6: Final answer
    x = 354,102.94

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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.