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Finding the Fourth Proportional to 370,250.71, 555,376.08 and 130,308.10

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Solution

The fourth proportional to 370,250.71, 555,376.08 and 130,308.10 is: 195,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,250.71 : 555,376.08 = 130,308.10 : x
  2. Step 2: Convert to fraction form
    370,250.71/555,376.08 = 130,308.10/x
  3. Step 3: Cross multiply
    370,250.71x = 555,376.08 × 130,308.10
  4. Step 4: Simplify right side
    370,250.71x = 72,370,004,592.21
  5. Step 5: Solve for x
    x = 72,370,004,592.21/370,250.71
  6. Step 6: Final answer
    x = 195,462.16

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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.