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Finding the Fourth Proportional to 376,295.60, 564,443.40 and 176,753.72

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Solution

The fourth proportional to 376,295.60, 564,443.40 and 176,753.72 is: 265,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,295.60 : 564,443.40 = 176,753.72 : x
  2. Step 2: Convert to fraction form
    376,295.60/564,443.40 = 176,753.72/x
  3. Step 3: Cross multiply
    376,295.60x = 564,443.40 × 176,753.72
  4. Step 4: Simplify right side
    376,295.60x = 99,767,470,679.45
  5. Step 5: Solve for x
    x = 99,767,470,679.45/376,295.60
  6. Step 6: Final answer
    x = 265,130.58

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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.