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Finding the Fourth Proportional to 549,627.60, 824,635.80 and 530,187.60

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Solution

The fourth proportional to 549,627.60, 824,635.80 and 530,187.60 is: 795,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,627.60 : 824,635.80 = 530,187.60 : x
  2. Step 2: Convert to fraction form
    549,627.60/824,635.80 = 530,187.60/x
  3. Step 3: Cross multiply
    549,627.60x = 824,635.80 × 530,187.60
  4. Step 4: Simplify right side
    549,627.60x = 437,211,675,676.08
  5. Step 5: Solve for x
    x = 437,211,675,676.08/549,627.60
  6. Step 6: Final answer
    x = 795,468.92

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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.