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Finding the Fourth Proportional to 529,877.40, 794,864.70 and 174,892.20

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Solution

The fourth proportional to 529,877.40, 794,864.70 and 174,892.20 is: 262,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,877.40 : 794,864.70 = 174,892.20 : x
  2. Step 2: Convert to fraction form
    529,877.40/794,864.70 = 174,892.20/x
  3. Step 3: Cross multiply
    529,877.40x = 794,864.70 × 174,892.20
  4. Step 4: Simplify right side
    529,877.40x = 139,015,636,085.34
  5. Step 5: Solve for x
    x = 139,015,636,085.34/529,877.40
  6. Step 6: Final answer
    x = 262,354.34

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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.