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Finding the Fourth Proportional to 972,594.24, 1,342,404 and 570,315.84

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Solution

The fourth proportional to 972,594.24, 1,342,404 and 570,315.84 is: 787,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,594.24 : 1,342,404 = 570,315.84 : x
  2. Step 2: Convert to fraction form
    972,594.24/1,342,404 = 570,315.84/x
  3. Step 3: Cross multiply
    972,594.24x = 1,342,404 × 570,315.84
  4. Step 4: Simplify right side
    972,594.24x = 765,594,264,879.36
  5. Step 5: Solve for x
    x = 765,594,264,879.36/972,594.24
  6. Step 6: Final answer
    x = 787,167.18

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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.