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Finding the Fourth Proportional to 480,113.95, 662,549.51 and 262,317.96

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Solution

The fourth proportional to 480,113.95, 662,549.51 and 262,317.96 is: 361,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,113.95 : 662,549.51 = 262,317.96 : x
  2. Step 2: Convert to fraction form
    480,113.95/662,549.51 = 262,317.96/x
  3. Step 3: Cross multiply
    480,113.95x = 662,549.51 × 262,317.96
  4. Step 4: Simplify right side
    480,113.95x = 173,798,639,424.85
  5. Step 5: Solve for x
    x = 173,798,639,424.85/480,113.95
  6. Step 6: Final answer
    x = 361,994.57

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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.