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Finding the Fourth Proportional to 562,704.44, 776,606.06 and 320,931.60

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Solution

The fourth proportional to 562,704.44, 776,606.06 and 320,931.60 is: 442,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,704.44 : 776,606.06 = 320,931.60 : x
  2. Step 2: Convert to fraction form
    562,704.44/776,606.06 = 320,931.60/x
  3. Step 3: Cross multiply
    562,704.44x = 776,606.06 × 320,931.60
  4. Step 4: Simplify right side
    562,704.44x = 249,237,425,405.50
  5. Step 5: Solve for x
    x = 249,237,425,405.50/562,704.44
  6. Step 6: Final answer
    x = 442,927.77

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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.