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Finding the Fourth Proportional to 207,050.40, 310,575.60 and 197,208.90

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Solution

The fourth proportional to 207,050.40, 310,575.60 and 197,208.90 is: 295,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,050.40 : 310,575.60 = 197,208.90 : x
  2. Step 2: Convert to fraction form
    207,050.40/310,575.60 = 197,208.90/x
  3. Step 3: Cross multiply
    207,050.40x = 310,575.60 × 197,208.90
  4. Step 4: Simplify right side
    207,050.40x = 61,248,272,442.84
  5. Step 5: Solve for x
    x = 61,248,272,442.84/207,050.40
  6. Step 6: Final answer
    x = 295,813.35

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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.