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Finding the Fourth Proportional to 607,240.51, 838,065.80 and 352,591.71

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Solution

The fourth proportional to 607,240.51, 838,065.80 and 352,591.71 is: 486,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,240.51 : 838,065.80 = 352,591.71 : x
  2. Step 2: Convert to fraction form
    607,240.51/838,065.80 = 352,591.71/x
  3. Step 3: Cross multiply
    607,240.51x = 838,065.80 × 352,591.71
  4. Step 4: Simplify right side
    607,240.51x = 295,495,053,514.52
  5. Step 5: Solve for x
    x = 295,495,053,514.52/607,240.51
  6. Step 6: Final answer
    x = 486,619.47

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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.