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Finding the Fourth Proportional to 707,959,791.09, 976,674,574.87 and 675,136,666.13

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Solution

The fourth proportional to 707,959,791.09, 976,674,574.87 and 675,136,666.13 is: 931,393,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,959,791.09 : 976,674,574.87 = 675,136,666.13 : x
  2. Step 2: Convert to fraction form
    707,959,791.09/976,674,574.87 = 675,136,666.13/x
  3. Step 3: Cross multiply
    707,959,791.09x = 976,674,574.87 × 675,136,666.13
  4. Step 4: Simplify right side
    707,959,791.09x = 659,388,816,365,095,680
  5. Step 5: Solve for x
    x = 659,388,816,365,095,680/707,959,791.09
  6. Step 6: Final answer
    x = 931,393,032.01

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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.