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Finding the Fourth Proportional to 1,047,825, 1,445,998.50 and 570,897

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Solution

The fourth proportional to 1,047,825, 1,445,998.50 and 570,897 is: 787,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,825 : 1,445,998.50 = 570,897 : x
  2. Step 2: Convert to fraction form
    1,047,825/1,445,998.50 = 570,897/x
  3. Step 3: Cross multiply
    1,047,825x = 1,445,998.50 × 570,897
  4. Step 4: Simplify right side
    1,047,825x = 825,516,205,654.50
  5. Step 5: Solve for x
    x = 825,516,205,654.50/1,047,825
  6. Step 6: Final answer
    x = 787,837.86

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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.