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Finding the Fourth Proportional to 373,393.90, 562,108.88 and 340,326.46

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Solution

The fourth proportional to 373,393.90, 562,108.88 and 340,326.46 is: 512,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,393.90 : 562,108.88 = 340,326.46 : x
  2. Step 2: Convert to fraction form
    373,393.90/562,108.88 = 340,326.46/x
  3. Step 3: Cross multiply
    373,393.90x = 562,108.88 × 340,326.46
  4. Step 4: Simplify right side
    373,393.90x = 191,300,525,264.97
  5. Step 5: Solve for x
    x = 191,300,525,264.97/373,393.90
  6. Step 6: Final answer
    x = 512,329.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.