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Finding the Fourth Proportional to 706,870.62, 975,470.73 and 384,573.36

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Solution

The fourth proportional to 706,870.62, 975,470.73 and 384,573.36 is: 530,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,870.62 : 975,470.73 = 384,573.36 : x
  2. Step 2: Convert to fraction form
    706,870.62/975,470.73 = 384,573.36/x
  3. Step 3: Cross multiply
    706,870.62x = 975,470.73 × 384,573.36
  4. Step 4: Simplify right side
    706,870.62x = 375,140,056,217.75
  5. Step 5: Solve for x
    x = 375,140,056,217.75/706,870.62
  6. Step 6: Final answer
    x = 530,705.40

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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.