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Finding the Fourth Proportional to 575,683.60, 863,590.20 and 176,321.20

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Solution

The fourth proportional to 575,683.60, 863,590.20 and 176,321.20 is: 264,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,683.60 : 863,590.20 = 176,321.20 : x
  2. Step 2: Convert to fraction form
    575,683.60/863,590.20 = 176,321.20/x
  3. Step 3: Cross multiply
    575,683.60x = 863,590.20 × 176,321.20
  4. Step 4: Simplify right side
    575,683.60x = 152,269,260,372.24
  5. Step 5: Solve for x
    x = 152,269,260,372.24/575,683.60
  6. Step 6: Final answer
    x = 264,501.65

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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.