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Finding the Fourth Proportional to 607,888.91, 838,831.55 and 349,697.16

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Solution

The fourth proportional to 607,888.91, 838,831.55 and 349,697.16 is: 482,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,888.91 : 838,831.55 = 349,697.16 : x
  2. Step 2: Convert to fraction form
    607,888.91/838,831.55 = 349,697.16/x
  3. Step 3: Cross multiply
    607,888.91x = 838,831.55 × 349,697.16
  4. Step 4: Simplify right side
    607,888.91x = 293,337,009,004.91
  5. Step 5: Solve for x
    x = 293,337,009,004.91/607,888.91
  6. Step 6: Final answer
    x = 482,550.35

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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.