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Finding the Fourth Proportional to 497,698.20, 746,547.30 and 248,866.20

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Solution

The fourth proportional to 497,698.20, 746,547.30 and 248,866.20 is: 373,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,698.20 : 746,547.30 = 248,866.20 : x
  2. Step 2: Convert to fraction form
    497,698.20/746,547.30 = 248,866.20/x
  3. Step 3: Cross multiply
    497,698.20x = 746,547.30 × 248,866.20
  4. Step 4: Simplify right side
    497,698.20x = 185,790,389,671.26
  5. Step 5: Solve for x
    x = 185,790,389,671.26/497,698.20
  6. Step 6: Final answer
    x = 373,299.30

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Similar ratio
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1.5x scale

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.