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Finding the Fourth Proportional to 533,673.10, 736,501.54 and 307,391.50

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Solution

The fourth proportional to 533,673.10, 736,501.54 and 307,391.50 is: 424,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,673.10 : 736,501.54 = 307,391.50 : x
  2. Step 2: Convert to fraction form
    533,673.10/736,501.54 = 307,391.50/x
  3. Step 3: Cross multiply
    533,673.10x = 736,501.54 × 307,391.50
  4. Step 4: Simplify right side
    533,673.10x = 226,394,310,523.18
  5. Step 5: Solve for x
    x = 226,394,310,523.18/533,673.10
  6. Step 6: Final answer
    x = 424,219.08

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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.