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Finding the Fourth Proportional to 474,666.30, 655,038.39 and 259,804.49

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Solution

The fourth proportional to 474,666.30, 655,038.39 and 259,804.49 is: 358,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,666.30 : 655,038.39 = 259,804.49 : x
  2. Step 2: Convert to fraction form
    474,666.30/655,038.39 = 259,804.49/x
  3. Step 3: Cross multiply
    474,666.30x = 655,038.39 × 259,804.49
  4. Step 4: Simplify right side
    474,666.30x = 170,181,911,569.18
  5. Step 5: Solve for x
    x = 170,181,911,569.18/474,666.30
  6. Step 6: Final answer
    x = 358,529.59

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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.