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Finding the Fourth Proportional to 442,454.40, 610,623.36 and 251,527.68

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Solution

The fourth proportional to 442,454.40, 610,623.36 and 251,527.68 is: 347,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,454.40 : 610,623.36 = 251,527.68 : x
  2. Step 2: Convert to fraction form
    442,454.40/610,623.36 = 251,527.68/x
  3. Step 3: Cross multiply
    442,454.40x = 610,623.36 × 251,527.68
  4. Step 4: Simplify right side
    442,454.40x = 153,588,677,094.61
  5. Step 5: Solve for x
    x = 153,588,677,094.61/442,454.40
  6. Step 6: Final answer
    x = 347,128.83

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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.