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Finding the Fourth Proportional to 375,731.40, 562,266.72 and 233,643.60

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Solution

The fourth proportional to 375,731.40, 562,266.72 and 233,643.60 is: 349,638.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,731.40 : 562,266.72 = 233,643.60 : x
  2. Step 2: Convert to fraction form
    375,731.40/562,266.72 = 233,643.60/x
  3. Step 3: Cross multiply
    375,731.40x = 562,266.72 × 233,643.60
  4. Step 4: Simplify right side
    375,731.40x = 131,370,020,620.99
  5. Step 5: Solve for x
    x = 131,370,020,620.99/375,731.40
  6. Step 6: Final answer
    x = 349,638.12

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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.