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Finding the Fourth Proportional to 788,242.08, 1,087,775.04 and 448,710

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Solution

The fourth proportional to 788,242.08, 1,087,775.04 and 448,710 is: 619,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,242.08 : 1,087,775.04 = 448,710 : x
  2. Step 2: Convert to fraction form
    788,242.08/1,087,775.04 = 448,710/x
  3. Step 3: Cross multiply
    788,242.08x = 1,087,775.04 × 448,710
  4. Step 4: Simplify right side
    788,242.08x = 488,095,538,198.40
  5. Step 5: Solve for x
    x = 488,095,538,198.40/788,242.08
  6. Step 6: Final answer
    x = 619,220.35

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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.