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Finding the Fourth Proportional to 346,177.80, 518,114.70 and 251,137.80

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Solution

The fourth proportional to 346,177.80, 518,114.70 and 251,137.80 is: 375,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,177.80 : 518,114.70 = 251,137.80 : x
  2. Step 2: Convert to fraction form
    346,177.80/518,114.70 = 251,137.80/x
  3. Step 3: Cross multiply
    346,177.80x = 518,114.70 × 251,137.80
  4. Step 4: Simplify right side
    346,177.80x = 130,118,185,905.66
  5. Step 5: Solve for x
    x = 130,118,185,905.66/346,177.80
  6. Step 6: Final answer
    x = 375,870.97

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1.5x scale

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.