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Finding the Fourth Proportional to 364,454.66, 546,662.55 and 98,210.90

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Solution

The fourth proportional to 364,454.66, 546,662.55 and 98,210.90 is: 147,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,454.66 : 546,662.55 = 98,210.90 : x
  2. Step 2: Convert to fraction form
    364,454.66/546,662.55 = 98,210.90/x
  3. Step 3: Cross multiply
    364,454.66x = 546,662.55 × 98,210.90
  4. Step 4: Simplify right side
    364,454.66x = 53,688,221,031.80
  5. Step 5: Solve for x
    x = 53,688,221,031.80/364,454.66
  6. Step 6: Final answer
    x = 147,311.11

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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.