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Finding the Fourth Proportional to 570,000.58, 855,663.51 and 333,512.98

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Solution

The fourth proportional to 570,000.58, 855,663.51 and 333,512.98 is: 500,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,000.58 : 855,663.51 = 333,512.98 : x
  2. Step 2: Convert to fraction form
    570,000.58/855,663.51 = 333,512.98/x
  3. Step 3: Cross multiply
    570,000.58x = 855,663.51 × 333,512.98
  4. Step 4: Simplify right side
    570,000.58x = 285,374,887,097.36
  5. Step 5: Solve for x
    x = 285,374,887,097.36/570,000.58
  6. Step 6: Final answer
    x = 500,657.19

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1.5x scale

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.