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Finding the Fourth Proportional to 292,398.06, 403,510.55 and 158,262.06

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Solution

The fourth proportional to 292,398.06, 403,510.55 and 158,262.06 is: 218,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,398.06 : 403,510.55 = 158,262.06 : x
  2. Step 2: Convert to fraction form
    292,398.06/403,510.55 = 158,262.06/x
  3. Step 3: Cross multiply
    292,398.06x = 403,510.55 × 158,262.06
  4. Step 4: Simplify right side
    292,398.06x = 63,860,410,874.73
  5. Step 5: Solve for x
    x = 63,860,410,874.73/292,398.06
  6. Step 6: Final answer
    x = 218,402.31

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1.5x scale

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.