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Finding the Fourth Proportional to 775,492.60, 1,163,424.48 and 375,666

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Solution

The fourth proportional to 775,492.60, 1,163,424.48 and 375,666 is: 563,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,492.60 : 1,163,424.48 = 375,666 : x
  2. Step 2: Convert to fraction form
    775,492.60/1,163,424.48 = 375,666/x
  3. Step 3: Cross multiply
    775,492.60x = 1,163,424.48 × 375,666
  4. Step 4: Simplify right side
    775,492.60x = 437,059,020,703.68
  5. Step 5: Solve for x
    x = 437,059,020,703.68/775,492.60
  6. Step 6: Final answer
    x = 563,588.90

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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.