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Finding the Fourth Proportional to 345,993.45, 477,460.13 and 202,848.83

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Solution

The fourth proportional to 345,993.45, 477,460.13 and 202,848.83 is: 279,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,993.45 : 477,460.13 = 202,848.83 : x
  2. Step 2: Convert to fraction form
    345,993.45/477,460.13 = 202,848.83/x
  3. Step 3: Cross multiply
    345,993.45x = 477,460.13 × 202,848.83
  4. Step 4: Simplify right side
    345,993.45x = 96,852,225,340.60
  5. Step 5: Solve for x
    x = 96,852,225,340.60/345,993.45
  6. Step 6: Final answer
    x = 279,925.03

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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.