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Finding the Fourth Proportional to 364,549.12, 546,821.98 and 98,336.54

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Solution

The fourth proportional to 364,549.12, 546,821.98 and 98,336.54 is: 147,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,549.12 : 546,821.98 = 98,336.54 : x
  2. Step 2: Convert to fraction form
    364,549.12/546,821.98 = 98,336.54/x
  3. Step 3: Cross multiply
    364,549.12x = 546,821.98 × 98,336.54
  4. Step 4: Simplify right side
    364,549.12x = 53,772,581,509.15
  5. Step 5: Solve for x
    x = 53,772,581,509.15/364,549.12
  6. Step 6: Final answer
    x = 147,504.35

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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.