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Finding the Fourth Proportional to 519,051.06, 716,290.65 and 292,696.56

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Solution

The fourth proportional to 519,051.06, 716,290.65 and 292,696.56 is: 403,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,051.06 : 716,290.65 = 292,696.56 : x
  2. Step 2: Convert to fraction form
    519,051.06/716,290.65 = 292,696.56/x
  3. Step 3: Cross multiply
    519,051.06x = 716,290.65 × 292,696.56
  4. Step 4: Simplify right side
    519,051.06x = 209,655,809,215.16
  5. Step 5: Solve for x
    x = 209,655,809,215.16/519,051.06
  6. Step 6: Final answer
    x = 403,921.36

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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.