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Finding the Fourth Proportional to 575,518.32, 863,276.27 and 154,794.60

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Solution

The fourth proportional to 575,518.32, 863,276.27 and 154,794.60 is: 232,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,518.32 : 863,276.27 = 154,794.60 : x
  2. Step 2: Convert to fraction form
    575,518.32/863,276.27 = 154,794.60/x
  3. Step 3: Cross multiply
    575,518.32x = 863,276.27 × 154,794.60
  4. Step 4: Simplify right side
    575,518.32x = 133,630,504,130.17
  5. Step 5: Solve for x
    x = 133,630,504,130.17/575,518.32
  6. Step 6: Final answer
    x = 232,191.57

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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.