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Finding the Fourth Proportional to 955,557, 1,433,907.87 and 356,938.85

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Solution

The fourth proportional to 955,557, 1,433,907.87 and 356,938.85 is: 535,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,557 : 1,433,907.87 = 356,938.85 : x
  2. Step 2: Convert to fraction form
    955,557/1,433,907.87 = 356,938.85/x
  3. Step 3: Cross multiply
    955,557x = 1,433,907.87 × 356,938.85
  4. Step 4: Simplify right side
    955,557x = 511,817,428,370.00
  5. Step 5: Solve for x
    x = 511,817,428,370.00/955,557
  6. Step 6: Final answer
    x = 535,622.08

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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.