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Finding the Fourth Proportional to 646,799.04, 892,605.42 and 360,336.60

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Solution

The fourth proportional to 646,799.04, 892,605.42 and 360,336.60 is: 497,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,799.04 : 892,605.42 = 360,336.60 : x
  2. Step 2: Convert to fraction form
    646,799.04/892,605.42 = 360,336.60/x
  3. Step 3: Cross multiply
    646,799.04x = 892,605.42 × 360,336.60
  4. Step 4: Simplify right side
    646,799.04x = 321,638,402,184.37
  5. Step 5: Solve for x
    x = 321,638,402,184.37/646,799.04
  6. Step 6: Final answer
    x = 497,277.18

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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.