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Finding the Fourth Proportional to 1,224,971.23, 1,837,829.85 and 626,352.88

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Solution

The fourth proportional to 1,224,971.23, 1,837,829.85 and 626,352.88 is: 939,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,971.23 : 1,837,829.85 = 626,352.88 : x
  2. Step 2: Convert to fraction form
    1,224,971.23/1,837,829.85 = 626,352.88/x
  3. Step 3: Cross multiply
    1,224,971.23x = 1,837,829.85 × 626,352.88
  4. Step 4: Simplify right side
    1,224,971.23x = 1,151,130,019,497.47
  5. Step 5: Solve for x
    x = 1,151,130,019,497.47/1,224,971.23
  6. Step 6: Final answer
    x = 939,720.05

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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.