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Finding the Fourth Proportional to 575,422.60, 863,133.90 and 295,486.60

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Solution

The fourth proportional to 575,422.60, 863,133.90 and 295,486.60 is: 443,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,422.60 : 863,133.90 = 295,486.60 : x
  2. Step 2: Convert to fraction form
    575,422.60/863,133.90 = 295,486.60/x
  3. Step 3: Cross multiply
    575,422.60x = 863,133.90 × 295,486.60
  4. Step 4: Simplify right side
    575,422.60x = 255,044,501,455.74
  5. Step 5: Solve for x
    x = 255,044,501,455.74/575,422.60
  6. Step 6: Final answer
    x = 443,229.90

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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.