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Finding the Fourth Proportional to 575,237.50, 863,047.60 and 255,345

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Solution

The fourth proportional to 575,237.50, 863,047.60 and 255,345 is: 383,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,237.50 : 863,047.60 = 255,345 : x
  2. Step 2: Convert to fraction form
    575,237.50/863,047.60 = 255,345/x
  3. Step 3: Cross multiply
    575,237.50x = 863,047.60 × 255,345
  4. Step 4: Simplify right side
    575,237.50x = 220,374,889,422
  5. Step 5: Solve for x
    x = 220,374,889,422/575,237.50
  6. Step 6: Final answer
    x = 383,102.44

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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.