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Finding the Fourth Proportional to 536,798.63, 740,783.66 and 307,359.41

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Solution

The fourth proportional to 536,798.63, 740,783.66 and 307,359.41 is: 424,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,798.63 : 740,783.66 = 307,359.41 : x
  2. Step 2: Convert to fraction form
    536,798.63/740,783.66 = 307,359.41/x
  3. Step 3: Cross multiply
    536,798.63x = 740,783.66 × 307,359.41
  4. Step 4: Simplify right side
    536,798.63x = 227,686,823,434.53
  5. Step 5: Solve for x
    x = 227,686,823,434.53/536,798.63
  6. Step 6: Final answer
    x = 424,156.86

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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.