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Finding the Fourth Proportional to 570,998.16, 788,010.12 and 344,677.68

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Solution

The fourth proportional to 570,998.16, 788,010.12 and 344,677.68 is: 475,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,998.16 : 788,010.12 = 344,677.68 : x
  2. Step 2: Convert to fraction form
    570,998.16/788,010.12 = 344,677.68/x
  3. Step 3: Cross multiply
    570,998.16x = 788,010.12 × 344,677.68
  4. Step 4: Simplify right side
    570,998.16x = 271,609,499,978.12
  5. Step 5: Solve for x
    x = 271,609,499,978.12/570,998.16
  6. Step 6: Final answer
    x = 475,674.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.