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Finding the Fourth Proportional to 876,603, 1,313,907.93 and 370,848.72

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Solution

The fourth proportional to 876,603, 1,313,907.93 and 370,848.72 is: 555,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,603 : 1,313,907.93 = 370,848.72 : x
  2. Step 2: Convert to fraction form
    876,603/1,313,907.93 = 370,848.72/x
  3. Step 3: Cross multiply
    876,603x = 1,313,907.93 × 370,848.72
  4. Step 4: Simplify right side
    876,603x = 487,261,074,038.35
  5. Step 5: Solve for x
    x = 487,261,074,038.35/876,603
  6. Step 6: Final answer
    x = 555,851.48

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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.