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Finding the Fourth Proportional to 369,308.34, 553,853.16 and 103,004.64

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Solution

The fourth proportional to 369,308.34, 553,853.16 and 103,004.64 is: 154,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,308.34 : 553,853.16 = 103,004.64 : x
  2. Step 2: Convert to fraction form
    369,308.34/553,853.16 = 103,004.64/x
  3. Step 3: Cross multiply
    369,308.34x = 553,853.16 × 103,004.64
  4. Step 4: Simplify right side
    369,308.34x = 57,049,445,358.66
  5. Step 5: Solve for x
    x = 57,049,445,358.66/369,308.34
  6. Step 6: Final answer
    x = 154,476.46

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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.