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Finding the Fourth Proportional to 462,869.40, 694,304.10 and 163,347.60

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Solution

The fourth proportional to 462,869.40, 694,304.10 and 163,347.60 is: 245,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,869.40 : 694,304.10 = 163,347.60 : x
  2. Step 2: Convert to fraction form
    462,869.40/694,304.10 = 163,347.60/x
  3. Step 3: Cross multiply
    462,869.40x = 694,304.10 × 163,347.60
  4. Step 4: Simplify right side
    462,869.40x = 113,412,908,405.16
  5. Step 5: Solve for x
    x = 113,412,908,405.16/462,869.40
  6. Step 6: Final answer
    x = 245,021.40

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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.