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Finding the Fourth Proportional to 308,925.60, 463,302.74 and 149,105.56

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Solution

The fourth proportional to 308,925.60, 463,302.74 and 149,105.56 is: 223,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,925.60 : 463,302.74 = 149,105.56 : x
  2. Step 2: Convert to fraction form
    308,925.60/463,302.74 = 149,105.56/x
  3. Step 3: Cross multiply
    308,925.60x = 463,302.74 × 149,105.56
  4. Step 4: Simplify right side
    308,925.60x = 69,081,013,741.72
  5. Step 5: Solve for x
    x = 69,081,013,741.72/308,925.60
  6. Step 6: Final answer
    x = 223,617.00

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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.