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Finding the Fourth Proportional to 626,968, 939,530.16 and 370,536.64

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Solution

The fourth proportional to 626,968, 939,530.16 and 370,536.64 is: 555,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,968 : 939,530.16 = 370,536.64 : x
  2. Step 2: Convert to fraction form
    626,968/939,530.16 = 370,536.64/x
  3. Step 3: Cross multiply
    626,968x = 939,530.16 × 370,536.64
  4. Step 4: Simplify right side
    626,968x = 348,130,348,665.06
  5. Step 5: Solve for x
    x = 348,130,348,665.06/626,968
  6. Step 6: Final answer
    x = 555,260.15

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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.