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Finding the Fourth Proportional to 423,628.49, 584,461.17 and 270,756.17

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Solution

The fourth proportional to 423,628.49, 584,461.17 and 270,756.17 is: 373,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,628.49 : 584,461.17 = 270,756.17 : x
  2. Step 2: Convert to fraction form
    423,628.49/584,461.17 = 270,756.17/x
  3. Step 3: Cross multiply
    423,628.49x = 584,461.17 × 270,756.17
  4. Step 4: Simplify right side
    423,628.49x = 158,246,464,980.61
  5. Step 5: Solve for x
    x = 158,246,464,980.61/423,628.49
  6. Step 6: Final answer
    x = 373,550.10

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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.