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Finding the Fourth Proportional to 800,606.66, 1,104,728.08 and 478,248.33

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Solution

The fourth proportional to 800,606.66, 1,104,728.08 and 478,248.33 is: 659,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,606.66 : 1,104,728.08 = 478,248.33 : x
  2. Step 2: Convert to fraction form
    800,606.66/1,104,728.08 = 478,248.33/x
  3. Step 3: Cross multiply
    800,606.66x = 1,104,728.08 × 478,248.33
  4. Step 4: Simplify right side
    800,606.66x = 528,334,359,364.11
  5. Step 5: Solve for x
    x = 528,334,359,364.11/800,606.66
  6. Step 6: Final answer
    x = 659,917.52

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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.