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Finding the Fourth Proportional to 254,691, 351,473.64 and 141,513.74

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Solution

The fourth proportional to 254,691, 351,473.64 and 141,513.74 is: 195,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,691 : 351,473.64 = 141,513.74 : x
  2. Step 2: Convert to fraction form
    254,691/351,473.64 = 141,513.74/x
  3. Step 3: Cross multiply
    254,691x = 351,473.64 × 141,513.74
  4. Step 4: Simplify right side
    254,691x = 49,738,349,307.81
  5. Step 5: Solve for x
    x = 49,738,349,307.81/254,691
  6. Step 6: Final answer
    x = 195,288.99

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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.