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Finding the Fourth Proportional to 524,197.10, 785,143.11 and 433,208.60

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Solution

The fourth proportional to 524,197.10, 785,143.11 and 433,208.60 is: 648,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,197.10 : 785,143.11 = 433,208.60 : x
  2. Step 2: Convert to fraction form
    524,197.10/785,143.11 = 433,208.60/x
  3. Step 3: Cross multiply
    524,197.10x = 785,143.11 × 433,208.60
  4. Step 4: Simplify right side
    524,197.10x = 340,130,747,482.75
  5. Step 5: Solve for x
    x = 340,130,747,482.75/524,197.10
  6. Step 6: Final answer
    x = 648,860.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.