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Finding the Fourth Proportional to 569,203.20, 852,681.60 and 288,921.60

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Solution

The fourth proportional to 569,203.20, 852,681.60 and 288,921.60 is: 432,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,203.20 : 852,681.60 = 288,921.60 : x
  2. Step 2: Convert to fraction form
    569,203.20/852,681.60 = 288,921.60/x
  3. Step 3: Cross multiply
    569,203.20x = 852,681.60 × 288,921.60
  4. Step 4: Simplify right side
    569,203.20x = 246,358,132,162.56
  5. Step 5: Solve for x
    x = 246,358,132,162.56/569,203.20
  6. Step 6: Final answer
    x = 432,812.28

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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.