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Finding the Fourth Proportional to 533,539.94, 736,308.70 and 307,258.34

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Solution

The fourth proportional to 533,539.94, 736,308.70 and 307,258.34 is: 424,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,539.94 : 736,308.70 = 307,258.34 : x
  2. Step 2: Convert to fraction form
    533,539.94/736,308.70 = 307,258.34/x
  3. Step 3: Cross multiply
    533,539.94x = 736,308.70 × 307,258.34
  4. Step 4: Simplify right side
    533,539.94x = 226,236,984,439.87
  5. Step 5: Solve for x
    x = 226,236,984,439.87/533,539.94
  6. Step 6: Final answer
    x = 424,030.09

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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.