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Finding the Fourth Proportional to 321,503.04, 482,258.16 and 153,038.88

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Solution

The fourth proportional to 321,503.04, 482,258.16 and 153,038.88 is: 229,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,503.04 : 482,258.16 = 153,038.88 : x
  2. Step 2: Convert to fraction form
    321,503.04/482,258.16 = 153,038.88/x
  3. Step 3: Cross multiply
    321,503.04x = 482,258.16 × 153,038.88
  4. Step 4: Simplify right side
    321,503.04x = 73,804,248,677.26
  5. Step 5: Solve for x
    x = 73,804,248,677.26/321,503.04
  6. Step 6: Final answer
    x = 229,560.03

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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.