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Finding the Fourth Proportional to 563,930.40, 845,881.53 and 164,574.63

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Solution

The fourth proportional to 563,930.40, 845,881.53 and 164,574.63 is: 246,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,930.40 : 845,881.53 = 164,574.63 : x
  2. Step 2: Convert to fraction form
    563,930.40/845,881.53 = 164,574.63/x
  3. Step 3: Cross multiply
    563,930.40x = 845,881.53 × 164,574.63
  4. Step 4: Simplify right side
    563,930.40x = 139,210,639,823.58
  5. Step 5: Solve for x
    x = 139,210,639,823.58/563,930.40
  6. Step 6: Final answer
    x = 246,857.84

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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.