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Finding the Fourth Proportional to 370,952.20, 555,772.20 and 314,527.60

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Solution

The fourth proportional to 370,952.20, 555,772.20 and 314,527.60 is: 471,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,952.20 : 555,772.20 = 314,527.60 : x
  2. Step 2: Convert to fraction form
    370,952.20/555,772.20 = 314,527.60/x
  3. Step 3: Cross multiply
    370,952.20x = 555,772.20 × 314,527.60
  4. Step 4: Simplify right side
    370,952.20x = 174,805,696,212.72
  5. Step 5: Solve for x
    x = 174,805,696,212.72/370,952.20
  6. Step 6: Final answer
    x = 471,235.10

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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.