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Finding the Fourth Proportional to 344,008.36, 474,715.47 and 191,056.45

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Solution

The fourth proportional to 344,008.36, 474,715.47 and 191,056.45 is: 263,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,008.36 : 474,715.47 = 191,056.45 : x
  2. Step 2: Convert to fraction form
    344,008.36/474,715.47 = 191,056.45/x
  3. Step 3: Cross multiply
    344,008.36x = 474,715.47 × 191,056.45
  4. Step 4: Simplify right side
    344,008.36x = 90,697,452,458.28
  5. Step 5: Solve for x
    x = 90,697,452,458.28/344,008.36
  6. Step 6: Final answer
    x = 263,648.98

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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.