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Finding the Fourth Proportional to 546,302.58, 819,479.95 and 265,485.30

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Solution

The fourth proportional to 546,302.58, 819,479.95 and 265,485.30 is: 398,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,302.58 : 819,479.95 = 265,485.30 : x
  2. Step 2: Convert to fraction form
    546,302.58/819,479.95 = 265,485.30/x
  3. Step 3: Cross multiply
    546,302.58x = 819,479.95 × 265,485.30
  4. Step 4: Simplify right side
    546,302.58x = 217,559,880,369.74
  5. Step 5: Solve for x
    x = 217,559,880,369.74/546,302.58
  6. Step 6: Final answer
    x = 398,240.62

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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.