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Finding the Fourth Proportional to 611,826.77, 843,946.80 and 363,300.24

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Solution

The fourth proportional to 611,826.77, 843,946.80 and 363,300.24 is: 501,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,826.77 : 843,946.80 = 363,300.24 : x
  2. Step 2: Convert to fraction form
    611,826.77/843,946.80 = 363,300.24/x
  3. Step 3: Cross multiply
    611,826.77x = 843,946.80 × 363,300.24
  4. Step 4: Simplify right side
    611,826.77x = 306,606,072,042.46
  5. Step 5: Solve for x
    x = 306,606,072,042.46/611,826.77
  6. Step 6: Final answer
    x = 501,132.16

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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.