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Finding the Fourth Proportional to 292,611, 403,803.18 and 158,475

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Solution

The fourth proportional to 292,611, 403,803.18 and 158,475 is: 218,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,611 : 403,803.18 = 158,475 : x
  2. Step 2: Convert to fraction form
    292,611/403,803.18 = 158,475/x
  3. Step 3: Cross multiply
    292,611x = 403,803.18 × 158,475
  4. Step 4: Simplify right side
    292,611x = 63,992,708,950.50
  5. Step 5: Solve for x
    x = 63,992,708,950.50/292,611
  6. Step 6: Final answer
    x = 218,695.50

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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.