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Finding the Fourth Proportional to 370,295.52, 555,328.20 and 133,607.40

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Solution

The fourth proportional to 370,295.52, 555,328.20 and 133,607.40 is: 200,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,295.52 : 555,328.20 = 133,607.40 : x
  2. Step 2: Convert to fraction form
    370,295.52/555,328.20 = 133,607.40/x
  3. Step 3: Cross multiply
    370,295.52x = 555,328.20 × 133,607.40
  4. Step 4: Simplify right side
    370,295.52x = 74,195,956,948.68
  5. Step 5: Solve for x
    x = 74,195,956,948.68/370,295.52
  6. Step 6: Final answer
    x = 200,369.58

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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.