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Finding the Fourth Proportional to 206,917,673.60, 310,376,510.40 and 183,626,998.40

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Solution

The fourth proportional to 206,917,673.60, 310,376,510.40 and 183,626,998.40 is: 275,440,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,917,673.60 : 310,376,510.40 = 183,626,998.40 : x
  2. Step 2: Convert to fraction form
    206,917,673.60/310,376,510.40 = 183,626,998.40/x
  3. Step 3: Cross multiply
    206,917,673.60x = 310,376,510.40 × 183,626,998.40
  4. Step 4: Simplify right side
    206,917,673.60x = 56,993,506,978,618,384
  5. Step 5: Solve for x
    x = 56,993,506,978,618,384/206,917,673.60
  6. Step 6: Final answer
    x = 275,440,497.60

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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.