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Finding the Fourth Proportional to 585,968.48, 879,040.48 and 212,078.96

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Solution

The fourth proportional to 585,968.48, 879,040.48 and 212,078.96 is: 318,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,968.48 : 879,040.48 = 212,078.96 : x
  2. Step 2: Convert to fraction form
    585,968.48/879,040.48 = 212,078.96/x
  3. Step 3: Cross multiply
    585,968.48x = 879,040.48 × 212,078.96
  4. Step 4: Simplify right side
    585,968.48x = 186,425,994,509.55
  5. Step 5: Solve for x
    x = 186,425,994,509.55/585,968.48
  6. Step 6: Final answer
    x = 318,150.21

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1.5x scale

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.