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Finding the Fourth Proportional to 478,894.56, 660,904.23 and 264,034.26

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Solution

The fourth proportional to 478,894.56, 660,904.23 and 264,034.26 is: 364,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,894.56 : 660,904.23 = 264,034.26 : x
  2. Step 2: Convert to fraction form
    478,894.56/660,904.23 = 264,034.26/x
  3. Step 3: Cross multiply
    478,894.56x = 660,904.23 × 264,034.26
  4. Step 4: Simplify right side
    478,894.56x = 174,501,359,298.92
  5. Step 5: Solve for x
    x = 174,501,359,298.92/478,894.56
  6. Step 6: Final answer
    x = 364,383.67

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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.