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Finding the Fourth Proportional to 462,525.58, 638,482.05 and 281,295.72

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Solution

The fourth proportional to 462,525.58, 638,482.05 and 281,295.72 is: 388,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,525.58 : 638,482.05 = 281,295.72 : x
  2. Step 2: Convert to fraction form
    462,525.58/638,482.05 = 281,295.72/x
  3. Step 3: Cross multiply
    462,525.58x = 638,482.05 × 281,295.72
  4. Step 4: Simplify right side
    462,525.58x = 179,602,267,961.83
  5. Step 5: Solve for x
    x = 179,602,267,961.83/462,525.58
  6. Step 6: Final answer
    x = 388,307.75

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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.