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Finding the Fourth Proportional to 585,030.20, 877,314.90 and 210,860.60

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Solution

The fourth proportional to 585,030.20, 877,314.90 and 210,860.60 is: 316,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,030.20 : 877,314.90 = 210,860.60 : x
  2. Step 2: Convert to fraction form
    585,030.20/877,314.90 = 210,860.60/x
  3. Step 3: Cross multiply
    585,030.20x = 877,314.90 × 210,860.60
  4. Step 4: Simplify right side
    585,030.20x = 184,991,146,202.94
  5. Step 5: Solve for x
    x = 184,991,146,202.94/585,030.20
  6. Step 6: Final answer
    x = 316,207.86

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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.