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Finding the Fourth Proportional to 350,069.60, 524,182.80 and 256,066.40

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Solution

The fourth proportional to 350,069.60, 524,182.80 and 256,066.40 is: 383,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,069.60 : 524,182.80 = 256,066.40 : x
  2. Step 2: Convert to fraction form
    350,069.60/524,182.80 = 256,066.40/x
  3. Step 3: Cross multiply
    350,069.60x = 524,182.80 × 256,066.40
  4. Step 4: Simplify right side
    350,069.60x = 134,225,602,537.92
  5. Step 5: Solve for x
    x = 134,225,602,537.92/350,069.60
  6. Step 6: Final answer
    x = 383,425.47

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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.