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Finding the Fourth Proportional to 452,058.32, 623,848.40 and 248,128.32

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Solution

The fourth proportional to 452,058.32, 623,848.40 and 248,128.32 is: 342,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,058.32 : 623,848.40 = 248,128.32 : x
  2. Step 2: Convert to fraction form
    452,058.32/623,848.40 = 248,128.32/x
  3. Step 3: Cross multiply
    452,058.32x = 623,848.40 × 248,128.32
  4. Step 4: Simplify right side
    452,058.32x = 154,794,455,426.69
  5. Step 5: Solve for x
    x = 154,794,455,426.69/452,058.32
  6. Step 6: Final answer
    x = 342,421.43

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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.