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Finding the Fourth Proportional to 549,471.60, 824,401.80 and 530,031.60

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Solution

The fourth proportional to 549,471.60, 824,401.80 and 530,031.60 is: 795,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,471.60 : 824,401.80 = 530,031.60 : x
  2. Step 2: Convert to fraction form
    549,471.60/824,401.80 = 530,031.60/x
  3. Step 3: Cross multiply
    549,471.60x = 824,401.80 × 530,031.60
  4. Step 4: Simplify right side
    549,471.60x = 436,959,005,096.88
  5. Step 5: Solve for x
    x = 436,959,005,096.88/549,471.60
  6. Step 6: Final answer
    x = 795,234.92

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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.