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Finding the Fourth Proportional to 1,032.35, 1,547.91 and 483.98

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Solution

The fourth proportional to 1,032.35, 1,547.91 and 483.98 is: 725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.35 : 1,547.91 = 483.98 : x
  2. Step 2: Convert to fraction form
    1,032.35/1,547.91 = 483.98/x
  3. Step 3: Cross multiply
    1,032.35x = 1,547.91 × 483.98
  4. Step 4: Simplify right side
    1,032.35x = 749,149.74
  5. Step 5: Solve for x
    x = 749,149.74/1,032.35
  6. Step 6: Final answer
    x = 725.68

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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.