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Finding the Fourth Proportional to 407,047.88, 607,606.98 and 377,031.17

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Solution

The fourth proportional to 407,047.88, 607,606.98 and 377,031.17 is: 562,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,047.88 : 607,606.98 = 377,031.17 : x
  2. Step 2: Convert to fraction form
    407,047.88/607,606.98 = 377,031.17/x
  3. Step 3: Cross multiply
    407,047.88x = 607,606.98 × 377,031.17
  4. Step 4: Simplify right side
    407,047.88x = 229,086,770,569.57
  5. Step 5: Solve for x
    x = 229,086,770,569.57/407,047.88
  6. Step 6: Final answer
    x = 562,800.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.