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Finding the Fourth Proportional to 453,064.81, 679,594.16 and 153,756.11

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Solution

The fourth proportional to 453,064.81, 679,594.16 and 153,756.11 is: 230,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,064.81 : 679,594.16 = 153,756.11 : x
  2. Step 2: Convert to fraction form
    453,064.81/679,594.16 = 153,756.11/x
  3. Step 3: Cross multiply
    453,064.81x = 679,594.16 × 153,756.11
  4. Step 4: Simplify right side
    453,064.81x = 104,491,754,420.32
  5. Step 5: Solve for x
    x = 104,491,754,420.32/453,064.81
  6. Step 6: Final answer
    x = 230,633.13

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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.