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Finding the Fourth Proportional to 533,420.75, 736,133.42 and 303,973.13

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Solution

The fourth proportional to 533,420.75, 736,133.42 and 303,973.13 is: 419,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,420.75 : 736,133.42 = 303,973.13 : x
  2. Step 2: Convert to fraction form
    533,420.75/736,133.42 = 303,973.13/x
  3. Step 3: Cross multiply
    533,420.75x = 736,133.42 × 303,973.13
  4. Step 4: Simplify right side
    533,420.75x = 223,764,774,574.47
  5. Step 5: Solve for x
    x = 223,764,774,574.47/533,420.75
  6. Step 6: Final answer
    x = 419,490.20

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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.