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Finding the Fourth Proportional to 646,773.66, 892,575.18 and 360,293.40

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Solution

The fourth proportional to 646,773.66, 892,575.18 and 360,293.40 is: 497,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,773.66 : 892,575.18 = 360,293.40 : x
  2. Step 2: Convert to fraction form
    646,773.66/892,575.18 = 360,293.40/x
  3. Step 3: Cross multiply
    646,773.66x = 892,575.18 × 360,293.40
  4. Step 4: Simplify right side
    646,773.66x = 321,588,946,357.81
  5. Step 5: Solve for x
    x = 321,588,946,357.81/646,773.66
  6. Step 6: Final answer
    x = 497,220.23

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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.