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Finding the Fourth Proportional to 461,614.95, 636,266.01 and 308,597.24

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Solution

The fourth proportional to 461,614.95, 636,266.01 and 308,597.24 is: 425,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,614.95 : 636,266.01 = 308,597.24 : x
  2. Step 2: Convert to fraction form
    461,614.95/636,266.01 = 308,597.24/x
  3. Step 3: Cross multiply
    461,614.95x = 636,266.01 × 308,597.24
  4. Step 4: Simplify right side
    461,614.95x = 196,349,931,410.48
  5. Step 5: Solve for x
    x = 196,349,931,410.48/461,614.95
  6. Step 6: Final answer
    x = 425,354.36

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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.