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Finding the Fourth Proportional to 281,349.74, 388,156.65 and 184,607

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Solution

The fourth proportional to 281,349.74, 388,156.65 and 184,607 is: 254,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,349.74 : 388,156.65 = 184,607 : x
  2. Step 2: Convert to fraction form
    281,349.74/388,156.65 = 184,607/x
  3. Step 3: Cross multiply
    281,349.74x = 388,156.65 × 184,607
  4. Step 4: Simplify right side
    281,349.74x = 71,656,434,686.55
  5. Step 5: Solve for x
    x = 71,656,434,686.55/281,349.74
  6. Step 6: Final answer
    x = 254,688.11

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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.