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Finding the Fourth Proportional to 533,570.40, 798,411.60 and 393,602.40

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Solution

The fourth proportional to 533,570.40, 798,411.60 and 393,602.40 is: 588,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,570.40 : 798,411.60 = 393,602.40 : x
  2. Step 2: Convert to fraction form
    533,570.40/798,411.60 = 393,602.40/x
  3. Step 3: Cross multiply
    533,570.40x = 798,411.60 × 393,602.40
  4. Step 4: Simplify right side
    533,570.40x = 314,256,721,947.84
  5. Step 5: Solve for x
    x = 314,256,721,947.84/533,570.40
  6. Step 6: Final answer
    x = 588,969.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.