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Finding the Fourth Proportional to 344,574.18, 475,488.96 and 208,683.60

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Solution

The fourth proportional to 344,574.18, 475,488.96 and 208,683.60 is: 287,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,574.18 : 475,488.96 = 208,683.60 : x
  2. Step 2: Convert to fraction form
    344,574.18/475,488.96 = 208,683.60/x
  3. Step 3: Cross multiply
    344,574.18x = 475,488.96 × 208,683.60
  4. Step 4: Simplify right side
    344,574.18x = 99,226,747,933.06
  5. Step 5: Solve for x
    x = 99,226,747,933.06/344,574.18
  6. Step 6: Final answer
    x = 287,969.19

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1.5x scale

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.