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Finding the Fourth Proportional to 366,981.60, 549,816.30 and 300,059.40

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Solution

The fourth proportional to 366,981.60, 549,816.30 and 300,059.40 is: 449,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,981.60 : 549,816.30 = 300,059.40 : x
  2. Step 2: Convert to fraction form
    366,981.60/549,816.30 = 300,059.40/x
  3. Step 3: Cross multiply
    366,981.60x = 549,816.30 × 300,059.40
  4. Step 4: Simplify right side
    366,981.60x = 164,977,549,088.22
  5. Step 5: Solve for x
    x = 164,977,549,088.22/366,981.60
  6. Step 6: Final answer
    x = 449,552.65

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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.