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Finding the Fourth Proportional to 1,047,608, 1,445,699.04 and 570,680

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Solution

The fourth proportional to 1,047,608, 1,445,699.04 and 570,680 is: 787,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,608 : 1,445,699.04 = 570,680 : x
  2. Step 2: Convert to fraction form
    1,047,608/1,445,699.04 = 570,680/x
  3. Step 3: Cross multiply
    1,047,608x = 1,445,699.04 × 570,680
  4. Step 4: Simplify right side
    1,047,608x = 825,031,528,147.20
  5. Step 5: Solve for x
    x = 825,031,528,147.20/1,047,608
  6. Step 6: Final answer
    x = 787,538.40

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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.