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Finding the Fourth Proportional to 594,005.90, 890,680.80 and 238,618.40

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Solution

The fourth proportional to 594,005.90, 890,680.80 and 238,618.40 is: 357,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,005.90 : 890,680.80 = 238,618.40 : x
  2. Step 2: Convert to fraction form
    594,005.90/890,680.80 = 238,618.40/x
  3. Step 3: Cross multiply
    594,005.90x = 890,680.80 × 238,618.40
  4. Step 4: Simplify right side
    594,005.90x = 212,532,827,406.72
  5. Step 5: Solve for x
    x = 212,532,827,406.72/594,005.90
  6. Step 6: Final answer
    x = 357,795.82

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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.