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Finding the Fourth Proportional to 533,564.70, 736,382.79 and 307,254.30

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Solution

The fourth proportional to 533,564.70, 736,382.79 and 307,254.30 is: 424,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,564.70 : 736,382.79 = 307,254.30 : x
  2. Step 2: Convert to fraction form
    533,564.70/736,382.79 = 307,254.30/x
  3. Step 3: Cross multiply
    533,564.70x = 736,382.79 × 307,254.30
  4. Step 4: Simplify right side
    533,564.70x = 226,256,778,673.50
  5. Step 5: Solve for x
    x = 226,256,778,673.50/533,564.70
  6. Step 6: Final answer
    x = 424,047.50

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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.