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Finding the Fourth Proportional to 575,567.07, 863,949.43 and 423,935.37

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Solution

The fourth proportional to 575,567.07, 863,949.43 and 423,935.37 is: 636,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,567.07 : 863,949.43 = 423,935.37 : x
  2. Step 2: Convert to fraction form
    575,567.07/863,949.43 = 423,935.37/x
  3. Step 3: Cross multiply
    575,567.07x = 863,949.43 × 423,935.37
  4. Step 4: Simplify right side
    575,567.07x = 366,258,716,948.59
  5. Step 5: Solve for x
    x = 366,258,716,948.59/575,567.07
  6. Step 6: Final answer
    x = 636,344.11

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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.