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Finding the Fourth Proportional to 454,903.63, 681,681.53 and 184,703.20

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Solution

The fourth proportional to 454,903.63, 681,681.53 and 184,703.20 is: 276,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,903.63 : 681,681.53 = 184,703.20 : x
  2. Step 2: Convert to fraction form
    454,903.63/681,681.53 = 184,703.20/x
  3. Step 3: Cross multiply
    454,903.63x = 681,681.53 × 184,703.20
  4. Step 4: Simplify right side
    454,903.63x = 125,908,758,729.45
  5. Step 5: Solve for x
    x = 125,908,758,729.45/454,903.63
  6. Step 6: Final answer
    x = 276,781.17

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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.