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Finding the Fourth Proportional to 608,886.75, 840,265.35 and 336,973.40

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Solution

The fourth proportional to 608,886.75, 840,265.35 and 336,973.40 is: 465,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,886.75 : 840,265.35 = 336,973.40 : x
  2. Step 2: Convert to fraction form
    608,886.75/840,265.35 = 336,973.40/x
  3. Step 3: Cross multiply
    608,886.75x = 840,265.35 × 336,973.40
  4. Step 4: Simplify right side
    608,886.75x = 283,147,067,690.36
  5. Step 5: Solve for x
    x = 283,147,067,690.36/608,886.75
  6. Step 6: Final answer
    x = 465,024.19

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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.