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Finding the Fourth Proportional to 560,613.48, 773,403.90 and 342,831.68

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Solution

The fourth proportional to 560,613.48, 773,403.90 and 342,831.68 is: 472,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,613.48 : 773,403.90 = 342,831.68 : x
  2. Step 2: Convert to fraction form
    560,613.48/773,403.90 = 342,831.68/x
  3. Step 3: Cross multiply
    560,613.48x = 773,403.90 × 342,831.68
  4. Step 4: Simplify right side
    560,613.48x = 265,147,354,488.53
  5. Step 5: Solve for x
    x = 265,147,354,488.53/560,613.48
  6. Step 6: Final answer
    x = 472,959.29

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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.