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Finding the Fourth Proportional to 922,242.92, 1,272,696.30 and 508,770.32

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Solution

The fourth proportional to 922,242.92, 1,272,696.30 and 508,770.32 is: 702,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,242.92 : 1,272,696.30 = 508,770.32 : x
  2. Step 2: Convert to fraction form
    922,242.92/1,272,696.30 = 508,770.32/x
  3. Step 3: Cross multiply
    922,242.92x = 1,272,696.30 × 508,770.32
  4. Step 4: Simplify right side
    922,242.92x = 647,510,097,450.34
  5. Step 5: Solve for x
    x = 647,510,097,450.34/922,242.92
  6. Step 6: Final answer
    x = 702,103.63

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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.