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Finding the Fourth Proportional to 493,887.40, 740,831.10 and 473,151.40

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Solution

The fourth proportional to 493,887.40, 740,831.10 and 473,151.40 is: 709,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,887.40 : 740,831.10 = 473,151.40 : x
  2. Step 2: Convert to fraction form
    493,887.40/740,831.10 = 473,151.40/x
  3. Step 3: Cross multiply
    493,887.40x = 740,831.10 × 473,151.40
  4. Step 4: Simplify right side
    493,887.40x = 350,525,272,128.54
  5. Step 5: Solve for x
    x = 350,525,272,128.54/493,887.40
  6. Step 6: Final answer
    x = 709,727.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.