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Finding the Fourth Proportional to 366,321.60, 549,482.40 and 277,748.10

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Solution

The fourth proportional to 366,321.60, 549,482.40 and 277,748.10 is: 416,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,321.60 : 549,482.40 = 277,748.10 : x
  2. Step 2: Convert to fraction form
    366,321.60/549,482.40 = 277,748.10/x
  3. Step 3: Cross multiply
    366,321.60x = 549,482.40 × 277,748.10
  4. Step 4: Simplify right side
    366,321.60x = 152,617,692,583.44
  5. Step 5: Solve for x
    x = 152,617,692,583.44/366,321.60
  6. Step 6: Final answer
    x = 416,622.15

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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.