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Finding the Fourth Proportional to 375,353.40, 563,031.18 and 188,321.16

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Solution

The fourth proportional to 375,353.40, 563,031.18 and 188,321.16 is: 282,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,353.40 : 563,031.18 = 188,321.16 : x
  2. Step 2: Convert to fraction form
    375,353.40/563,031.18 = 188,321.16/x
  3. Step 3: Cross multiply
    375,353.40x = 563,031.18 × 188,321.16
  4. Step 4: Simplify right side
    375,353.40x = 106,030,684,933.77
  5. Step 5: Solve for x
    x = 106,030,684,933.77/375,353.40
  6. Step 6: Final answer
    x = 282,482.28

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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.