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Finding the Fourth Proportional to 317,886, 438,683.04 and 174,646.32

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Solution

The fourth proportional to 317,886, 438,683.04 and 174,646.32 is: 241,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,886 : 438,683.04 = 174,646.32 : x
  2. Step 2: Convert to fraction form
    317,886/438,683.04 = 174,646.32/x
  3. Step 3: Cross multiply
    317,886x = 438,683.04 × 174,646.32
  4. Step 4: Simplify right side
    317,886x = 76,614,378,582.41
  5. Step 5: Solve for x
    x = 76,614,378,582.41/317,886
  6. Step 6: Final answer
    x = 241,012.12

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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.