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Finding the Fourth Proportional to 432,386, 596,644.08 and 251,075.60

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Solution

The fourth proportional to 432,386, 596,644.08 and 251,075.60 is: 346,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,386 : 596,644.08 = 251,075.60 : x
  2. Step 2: Convert to fraction form
    432,386/596,644.08 = 251,075.60/x
  3. Step 3: Cross multiply
    432,386x = 596,644.08 × 251,075.60
  4. Step 4: Simplify right side
    432,386x = 149,802,770,372.45
  5. Step 5: Solve for x
    x = 149,802,770,372.45/432,386
  6. Step 6: Final answer
    x = 346,456.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.