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Finding the Fourth Proportional to 607,243.53, 838,069.95 and 352,594.71

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Solution

The fourth proportional to 607,243.53, 838,069.95 and 352,594.71 is: 486,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,243.53 : 838,069.95 = 352,594.71 : x
  2. Step 2: Convert to fraction form
    607,243.53/838,069.95 = 352,594.71/x
  3. Step 3: Cross multiply
    607,243.53x = 838,069.95 × 352,594.71
  4. Step 4: Simplify right side
    607,243.53x = 295,499,030,979.97
  5. Step 5: Solve for x
    x = 295,499,030,979.97/607,243.53
  6. Step 6: Final answer
    x = 486,623.60

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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.