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Finding the Fourth Proportional to 431,533.90, 595,524.59 and 240,526.72

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Solution

The fourth proportional to 431,533.90, 595,524.59 and 240,526.72 is: 331,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,533.90 : 595,524.59 = 240,526.72 : x
  2. Step 2: Convert to fraction form
    431,533.90/595,524.59 = 240,526.72/x
  3. Step 3: Cross multiply
    431,533.90x = 595,524.59 × 240,526.72
  4. Step 4: Simplify right side
    431,533.90x = 143,239,576,312.05
  5. Step 5: Solve for x
    x = 143,239,576,312.05/431,533.90
  6. Step 6: Final answer
    x = 331,931.23

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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.