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Finding the Fourth Proportional to 575,426.76, 863,276.22 and 259,881.54

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Solution

The fourth proportional to 575,426.76, 863,276.22 and 259,881.54 is: 389,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,426.76 : 863,276.22 = 259,881.54 : x
  2. Step 2: Convert to fraction form
    575,426.76/863,276.22 = 259,881.54/x
  3. Step 3: Cross multiply
    575,426.76x = 863,276.22 × 259,881.54
  4. Step 4: Simplify right side
    575,426.76x = 224,349,553,498.98
  5. Step 5: Solve for x
    x = 224,349,553,498.98/575,426.76
  6. Step 6: Final answer
    x = 389,883.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.