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Finding the Fourth Proportional to 612,968.01, 845,874.54 and 337,300.10

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Solution

The fourth proportional to 612,968.01, 845,874.54 and 337,300.10 is: 465,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,968.01 : 845,874.54 = 337,300.10 : x
  2. Step 2: Convert to fraction form
    612,968.01/845,874.54 = 337,300.10/x
  3. Step 3: Cross multiply
    612,968.01x = 845,874.54 × 337,300.10
  4. Step 4: Simplify right side
    612,968.01x = 285,313,562,700.08
  5. Step 5: Solve for x
    x = 285,313,562,700.08/612,968.01
  6. Step 6: Final answer
    x = 465,462.40

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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.