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Finding the Fourth Proportional to 460,509.62, 687,526.46 and 351,870.41

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Solution

The fourth proportional to 460,509.62, 687,526.46 and 351,870.41 is: 525,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,509.62 : 687,526.46 = 351,870.41 : x
  2. Step 2: Convert to fraction form
    460,509.62/687,526.46 = 351,870.41/x
  3. Step 3: Cross multiply
    460,509.62x = 687,526.46 × 351,870.41
  4. Step 4: Simplify right side
    460,509.62x = 241,920,212,169.06
  5. Step 5: Solve for x
    x = 241,920,212,169.06/460,509.62
  6. Step 6: Final answer
    x = 525,331.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.