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Finding the Fourth Proportional to 585,398.46, 878,030.62 and 153,157.66

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Solution

The fourth proportional to 585,398.46, 878,030.62 and 153,157.66 is: 229,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,398.46 : 878,030.62 = 153,157.66 : x
  2. Step 2: Convert to fraction form
    585,398.46/878,030.62 = 153,157.66/x
  3. Step 3: Cross multiply
    585,398.46x = 878,030.62 × 153,157.66
  4. Step 4: Simplify right side
    585,398.46x = 134,477,115,167.55
  5. Step 5: Solve for x
    x = 134,477,115,167.55/585,398.46
  6. Step 6: Final answer
    x = 229,718.94

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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.