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Finding the Fourth Proportional to 475,373.93, 656,016.62 and 257,582.45

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Solution

The fourth proportional to 475,373.93, 656,016.62 and 257,582.45 is: 355,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,373.93 : 656,016.62 = 257,582.45 : x
  2. Step 2: Convert to fraction form
    475,373.93/656,016.62 = 257,582.45/x
  3. Step 3: Cross multiply
    475,373.93x = 656,016.62 × 257,582.45
  4. Step 4: Simplify right side
    475,373.93x = 168,978,363,652.32
  5. Step 5: Solve for x
    x = 168,978,363,652.32/475,373.93
  6. Step 6: Final answer
    x = 355,464.10

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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.