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Finding the Fourth Proportional to 606,573.60, 910,054.80 and 407,119.20

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Solution

The fourth proportional to 606,573.60, 910,054.80 and 407,119.20 is: 610,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,573.60 : 910,054.80 = 407,119.20 : x
  2. Step 2: Convert to fraction form
    606,573.60/910,054.80 = 407,119.20/x
  3. Step 3: Cross multiply
    606,573.60x = 910,054.80 × 407,119.20
  4. Step 4: Simplify right side
    606,573.60x = 370,500,782,132.16
  5. Step 5: Solve for x
    x = 370,500,782,132.16/606,573.60
  6. Step 6: Final answer
    x = 610,809.28

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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.