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Finding the Fourth Proportional to 846,798.83, 1,168,599.74 and 479,275.95

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Solution

The fourth proportional to 846,798.83, 1,168,599.74 and 479,275.95 is: 661,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,798.83 : 1,168,599.74 = 479,275.95 : x
  2. Step 2: Convert to fraction form
    846,798.83/1,168,599.74 = 479,275.95/x
  3. Step 3: Cross multiply
    846,798.83x = 1,168,599.74 × 479,275.95
  4. Step 4: Simplify right side
    846,798.83x = 560,081,748,161.87
  5. Step 5: Solve for x
    x = 560,081,748,161.87/846,798.83
  6. Step 6: Final answer
    x = 661,410.63

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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.