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Finding the Fourth Proportional to 384,807.60, 577,211.40 and 374,966.10

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Solution

The fourth proportional to 384,807.60, 577,211.40 and 374,966.10 is: 562,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,807.60 : 577,211.40 = 374,966.10 : x
  2. Step 2: Convert to fraction form
    384,807.60/577,211.40 = 374,966.10/x
  3. Step 3: Cross multiply
    384,807.60x = 577,211.40 × 374,966.10
  4. Step 4: Simplify right side
    384,807.60x = 216,434,707,533.54
  5. Step 5: Solve for x
    x = 216,434,707,533.54/384,807.60
  6. Step 6: Final answer
    x = 562,449.15

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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.