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Finding the Fourth Proportional to 471,501.08, 650,686.08 and 256,655.60

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Solution

The fourth proportional to 471,501.08, 650,686.08 and 256,655.60 is: 354,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,501.08 : 650,686.08 = 256,655.60 : x
  2. Step 2: Convert to fraction form
    471,501.08/650,686.08 = 256,655.60/x
  3. Step 3: Cross multiply
    471,501.08x = 650,686.08 × 256,655.60
  4. Step 4: Simplify right side
    471,501.08x = 167,002,226,274.05
  5. Step 5: Solve for x
    x = 167,002,226,274.05/471,501.08
  6. Step 6: Final answer
    x = 354,192.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.