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Finding the Fourth Proportional to 475,397.16, 656,033.24 and 260,533.32

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Solution

The fourth proportional to 475,397.16, 656,033.24 and 260,533.32 is: 359,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,397.16 : 656,033.24 = 260,533.32 : x
  2. Step 2: Convert to fraction form
    475,397.16/656,033.24 = 260,533.32/x
  3. Step 3: Cross multiply
    475,397.16x = 656,033.24 × 260,533.32
  4. Step 4: Simplify right side
    475,397.16x = 170,918,518,047.56
  5. Step 5: Solve for x
    x = 170,918,518,047.56/475,397.16
  6. Step 6: Final answer
    x = 359,527.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.