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Finding the Fourth Proportional to 612,971.01, 845,878.68 and 337,303.10

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Solution

The fourth proportional to 612,971.01, 845,878.68 and 337,303.10 is: 465,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,971.01 : 845,878.68 = 337,303.10 : x
  2. Step 2: Convert to fraction form
    612,971.01/845,878.68 = 337,303.10/x
  3. Step 3: Cross multiply
    612,971.01x = 845,878.68 × 337,303.10
  4. Step 4: Simplify right side
    612,971.01x = 285,317,496,758.52
  5. Step 5: Solve for x
    x = 285,317,496,758.52/612,971.01
  6. Step 6: Final answer
    x = 465,466.54

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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.