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Finding the Fourth Proportional to 575,907.36, 863,881.28 and 155,193.28

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Solution

The fourth proportional to 575,907.36, 863,881.28 and 155,193.28 is: 232,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,907.36 : 863,881.28 = 155,193.28 : x
  2. Step 2: Convert to fraction form
    575,907.36/863,881.28 = 155,193.28/x
  3. Step 3: Cross multiply
    575,907.36x = 863,881.28 × 155,193.28
  4. Step 4: Simplify right side
    575,907.36x = 134,068,569,373.80
  5. Step 5: Solve for x
    x = 134,068,569,373.80/575,907.36
  6. Step 6: Final answer
    x = 232,795.37

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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.