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Finding the Fourth Proportional to 384,804.60, 577,206.90 and 374,963.10

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Solution

The fourth proportional to 384,804.60, 577,206.90 and 374,963.10 is: 562,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,804.60 : 577,206.90 = 374,963.10 : x
  2. Step 2: Convert to fraction form
    384,804.60/577,206.90 = 374,963.10/x
  3. Step 3: Cross multiply
    384,804.60x = 577,206.90 × 374,963.10
  4. Step 4: Simplify right side
    384,804.60x = 216,431,288,565.39
  5. Step 5: Solve for x
    x = 216,431,288,565.39/384,804.60
  6. Step 6: Final answer
    x = 562,444.65

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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.