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Finding the Fourth Proportional to 570,577.60, 855,663.84 and 210,671.52

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Solution

The fourth proportional to 570,577.60, 855,663.84 and 210,671.52 is: 315,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,577.60 : 855,663.84 = 210,671.52 : x
  2. Step 2: Convert to fraction form
    570,577.60/855,663.84 = 210,671.52/x
  3. Step 3: Cross multiply
    570,577.60x = 855,663.84 × 210,671.52
  4. Step 4: Simplify right side
    570,577.60x = 180,264,001,781.84
  5. Step 5: Solve for x
    x = 180,264,001,781.84/570,577.60
  6. Step 6: Final answer
    x = 315,932.49

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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.