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Finding the Fourth Proportional to 575,189.64, 862,895.16 and 259,646.58

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Solution

The fourth proportional to 575,189.64, 862,895.16 and 259,646.58 is: 389,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,189.64 : 862,895.16 = 259,646.58 : x
  2. Step 2: Convert to fraction form
    575,189.64/862,895.16 = 259,646.58/x
  3. Step 3: Cross multiply
    575,189.64x = 862,895.16 × 259,646.58
  4. Step 4: Simplify right side
    575,189.64x = 224,047,777,192.55
  5. Step 5: Solve for x
    x = 224,047,777,192.55/575,189.64
  6. Step 6: Final answer
    x = 389,519.84

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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.