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Finding the Fourth Proportional to 462,725.44, 693,461.04 and 209,690.08

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Solution

The fourth proportional to 462,725.44, 693,461.04 and 209,690.08 is: 314,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,725.44 : 693,461.04 = 209,690.08 : x
  2. Step 2: Convert to fraction form
    462,725.44/693,461.04 = 209,690.08/x
  3. Step 3: Cross multiply
    462,725.44x = 693,461.04 × 209,690.08
  4. Step 4: Simplify right side
    462,725.44x = 145,411,900,954.48
  5. Step 5: Solve for x
    x = 145,411,900,954.48/462,725.44
  6. Step 6: Final answer
    x = 314,250.93

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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.