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Finding the Fourth Proportional to 488,078.10, 731,339.55 and 362,106.90

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Solution

The fourth proportional to 488,078.10, 731,339.55 and 362,106.90 is: 542,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,078.10 : 731,339.55 = 362,106.90 : x
  2. Step 2: Convert to fraction form
    488,078.10/731,339.55 = 362,106.90/x
  3. Step 3: Cross multiply
    488,078.10x = 731,339.55 × 362,106.90
  4. Step 4: Simplify right side
    488,078.10x = 264,823,097,297.90
  5. Step 5: Solve for x
    x = 264,823,097,297.90/488,078.10
  6. Step 6: Final answer
    x = 542,583.45

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1.5x scale

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.