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Finding the Fourth Proportional to 474,159.60, 654,340.32 and 259,300.08

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Solution

The fourth proportional to 474,159.60, 654,340.32 and 259,300.08 is: 357,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,159.60 : 654,340.32 = 259,300.08 : x
  2. Step 2: Convert to fraction form
    474,159.60/654,340.32 = 259,300.08/x
  3. Step 3: Cross multiply
    474,159.60x = 654,340.32 × 259,300.08
  4. Step 4: Simplify right side
    474,159.60x = 169,670,497,323.23
  5. Step 5: Solve for x
    x = 169,670,497,323.23/474,159.60
  6. Step 6: Final answer
    x = 357,834.15

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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.