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Finding the Fourth Proportional to 292,565.80, 438,848.70 and 245,326.60

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Solution

The fourth proportional to 292,565.80, 438,848.70 and 245,326.60 is: 367,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,565.80 : 438,848.70 = 245,326.60 : x
  2. Step 2: Convert to fraction form
    292,565.80/438,848.70 = 245,326.60/x
  3. Step 3: Cross multiply
    292,565.80x = 438,848.70 × 245,326.60
  4. Step 4: Simplify right side
    292,565.80x = 107,661,259,485.42
  5. Step 5: Solve for x
    x = 107,661,259,485.42/292,565.80
  6. Step 6: Final answer
    x = 367,989.90

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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.