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Finding the Fourth Proportional to 575,739.78, 863,609.64 and 201,762.78

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Solution

The fourth proportional to 575,739.78, 863,609.64 and 201,762.78 is: 302,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,739.78 : 863,609.64 = 201,762.78 : x
  2. Step 2: Convert to fraction form
    575,739.78/863,609.64 = 201,762.78/x
  3. Step 3: Cross multiply
    575,739.78x = 863,609.64 × 201,762.78
  4. Step 4: Simplify right side
    575,739.78x = 174,244,281,801.20
  5. Step 5: Solve for x
    x = 174,244,281,801.20/575,739.78
  6. Step 6: Final answer
    x = 302,644.16

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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.