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Finding the Fourth Proportional to 733,563.50, 1,012,320.40 and 427,851.01

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Solution

The fourth proportional to 733,563.50, 1,012,320.40 and 427,851.01 is: 590,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,563.50 : 1,012,320.40 = 427,851.01 : x
  2. Step 2: Convert to fraction form
    733,563.50/1,012,320.40 = 427,851.01/x
  3. Step 3: Cross multiply
    733,563.50x = 1,012,320.40 × 427,851.01
  4. Step 4: Simplify right side
    733,563.50x = 433,122,299,452.37
  5. Step 5: Solve for x
    x = 433,122,299,452.37/733,563.50
  6. Step 6: Final answer
    x = 590,436.00

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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.