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Finding the Fourth Proportional to 398,055.26, 549,227.31 and 333,784.46

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Solution

The fourth proportional to 398,055.26, 549,227.31 and 333,784.46 is: 460,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,055.26 : 549,227.31 = 333,784.46 : x
  2. Step 2: Convert to fraction form
    398,055.26/549,227.31 = 333,784.46/x
  3. Step 3: Cross multiply
    398,055.26x = 549,227.31 × 333,784.46
  4. Step 4: Simplify right side
    398,055.26x = 183,323,541,085.60
  5. Step 5: Solve for x
    x = 183,323,541,085.60/398,055.26
  6. Step 6: Final answer
    x = 460,547.97

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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.