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Finding the Fourth Proportional to 529,802.81, 793,704.18 and 313,014.68

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Solution

The fourth proportional to 529,802.81, 793,704.18 and 313,014.68 is: 468,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,802.81 : 793,704.18 = 313,014.68 : x
  2. Step 2: Convert to fraction form
    529,802.81/793,704.18 = 313,014.68/x
  3. Step 3: Cross multiply
    529,802.81x = 793,704.18 × 313,014.68
  4. Step 4: Simplify right side
    529,802.81x = 248,441,059,917.36
  5. Step 5: Solve for x
    x = 248,441,059,917.36/529,802.81
  6. Step 6: Final answer
    x = 468,931.19

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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.