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Finding the Fourth Proportional to 575,313.74, 862,982.91 and 148,858.76

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Solution

The fourth proportional to 575,313.74, 862,982.91 and 148,858.76 is: 223,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,313.74 : 862,982.91 = 148,858.76 : x
  2. Step 2: Convert to fraction form
    575,313.74/862,982.91 = 148,858.76/x
  3. Step 3: Cross multiply
    575,313.74x = 862,982.91 × 148,858.76
  4. Step 4: Simplify right side
    575,313.74x = 128,462,568,041.25
  5. Step 5: Solve for x
    x = 128,462,568,041.25/575,313.74
  6. Step 6: Final answer
    x = 223,291.33

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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.