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Finding the Fourth Proportional to 606,421.60, 907,882.80 and 370,225.60

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Solution

The fourth proportional to 606,421.60, 907,882.80 and 370,225.60 is: 554,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,421.60 : 907,882.80 = 370,225.60 : x
  2. Step 2: Convert to fraction form
    606,421.60/907,882.80 = 370,225.60/x
  3. Step 3: Cross multiply
    606,421.60x = 907,882.80 × 370,225.60
  4. Step 4: Simplify right side
    606,421.60x = 336,121,454,359.68
  5. Step 5: Solve for x
    x = 336,121,454,359.68/606,421.60
  6. Step 6: Final answer
    x = 554,270.25

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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.