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Finding the Fourth Proportional to 370,331.70, 555,497.55 and 334,902.30

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Solution

The fourth proportional to 370,331.70, 555,497.55 and 334,902.30 is: 502,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,331.70 : 555,497.55 = 334,902.30 : x
  2. Step 2: Convert to fraction form
    370,331.70/555,497.55 = 334,902.30/x
  3. Step 3: Cross multiply
    370,331.70x = 555,497.55 × 334,902.30
  4. Step 4: Simplify right side
    370,331.70x = 186,037,407,139.37
  5. Step 5: Solve for x
    x = 186,037,407,139.37/370,331.70
  6. Step 6: Final answer
    x = 502,353.45

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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.