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Finding the Fourth Proportional to 295,489,427.80, 443,234,141.70 and 173,045,421.40

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Solution

The fourth proportional to 295,489,427.80, 443,234,141.70 and 173,045,421.40 is: 259,568,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,427.80 : 443,234,141.70 = 173,045,421.40 : x
  2. Step 2: Convert to fraction form
    295,489,427.80/443,234,141.70 = 173,045,421.40/x
  3. Step 3: Cross multiply
    295,489,427.80x = 443,234,141.70 × 173,045,421.40
  4. Step 4: Simplify right side
    295,489,427.80x = 76,699,638,829,343,808
  5. Step 5: Solve for x
    x = 76,699,638,829,343,808/295,489,427.80
  6. Step 6: Final answer
    x = 259,568,132.10

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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.