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Finding the Fourth Proportional to 535,389.50, 803,158.37 and 180,505.01

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Solution

The fourth proportional to 535,389.50, 803,158.37 and 180,505.01 is: 270,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,389.50 : 803,158.37 = 180,505.01 : x
  2. Step 2: Convert to fraction form
    535,389.50/803,158.37 = 180,505.01/x
  3. Step 3: Cross multiply
    535,389.50x = 803,158.37 × 180,505.01
  4. Step 4: Simplify right side
    535,389.50x = 144,974,104,690.12
  5. Step 5: Solve for x
    x = 144,974,104,690.12/535,389.50
  6. Step 6: Final answer
    x = 270,782.50

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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.