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Finding the Fourth Proportional to 707,831.60, 993,763.60 and 707,831.60

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Solution

The fourth proportional to 707,831.60, 993,763.60 and 707,831.60 is: 993,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,831.60 : 993,763.60 = 707,831.60 : x
  2. Step 2: Convert to fraction form
    707,831.60/993,763.60 = 707,831.60/x
  3. Step 3: Cross multiply
    707,831.60x = 993,763.60 × 707,831.60
  4. Step 4: Simplify right side
    707,831.60x = 703,417,279,009.76
  5. Step 5: Solve for x
    x = 703,417,279,009.76/707,831.60
  6. Step 6: Final answer
    x = 993,763.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.