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Finding the Fourth Proportional to 575,957.79, 863,236.17 and 407,526.75

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Solution

The fourth proportional to 575,957.79, 863,236.17 and 407,526.75 is: 610,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,957.79 : 863,236.17 = 407,526.75 : x
  2. Step 2: Convert to fraction form
    575,957.79/863,236.17 = 407,526.75/x
  3. Step 3: Cross multiply
    575,957.79x = 863,236.17 × 407,526.75
  4. Step 4: Simplify right side
    575,957.79x = 351,791,830,842.55
  5. Step 5: Solve for x
    x = 351,791,830,842.55/575,957.79
  6. Step 6: Final answer
    x = 610,794.47

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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.