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Finding the Fourth Proportional to 646,590.93, 892,323.06 and 360,111.02

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Solution

The fourth proportional to 646,590.93, 892,323.06 and 360,111.02 is: 496,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,590.93 : 892,323.06 = 360,111.02 : x
  2. Step 2: Convert to fraction form
    646,590.93/892,323.06 = 360,111.02/x
  3. Step 3: Cross multiply
    646,590.93x = 892,323.06 × 360,111.02
  4. Step 4: Simplify right side
    646,590.93x = 321,335,369,536.93
  5. Step 5: Solve for x
    x = 321,335,369,536.93/646,590.93
  6. Step 6: Final answer
    x = 496,968.57

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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.