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Finding the Fourth Proportional to 533,567.70, 736,386.93 and 307,257.30

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Solution

The fourth proportional to 533,567.70, 736,386.93 and 307,257.30 is: 424,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,567.70 : 736,386.93 = 307,257.30 : x
  2. Step 2: Convert to fraction form
    533,567.70/736,386.93 = 307,257.30/x
  3. Step 3: Cross multiply
    533,567.70x = 736,386.93 × 307,257.30
  4. Step 4: Simplify right side
    533,567.70x = 226,260,259,867.09
  5. Step 5: Solve for x
    x = 226,260,259,867.09/533,567.70
  6. Step 6: Final answer
    x = 424,051.64

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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.