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Finding the Fourth Proportional to 575,424.60, 863,136.90 and 295,488.60

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Solution

The fourth proportional to 575,424.60, 863,136.90 and 295,488.60 is: 443,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,424.60 : 863,136.90 = 295,488.60 : x
  2. Step 2: Convert to fraction form
    575,424.60/863,136.90 = 295,488.60/x
  3. Step 3: Cross multiply
    575,424.60x = 863,136.90 × 295,488.60
  4. Step 4: Simplify right side
    575,424.60x = 255,047,114,189.34
  5. Step 5: Solve for x
    x = 255,047,114,189.34/575,424.60
  6. Step 6: Final answer
    x = 443,232.90

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Similar ratio
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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.