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Finding the Fourth Proportional to 453,007.90, 679,509.15 and 116,047.90

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Solution

The fourth proportional to 453,007.90, 679,509.15 and 116,047.90 is: 174,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,007.90 : 679,509.15 = 116,047.90 : x
  2. Step 2: Convert to fraction form
    453,007.90/679,509.15 = 116,047.90/x
  3. Step 3: Cross multiply
    453,007.90x = 679,509.15 × 116,047.90
  4. Step 4: Simplify right side
    453,007.90x = 78,855,609,888.29
  5. Step 5: Solve for x
    x = 78,855,609,888.29/453,007.90
  6. Step 6: Final answer
    x = 174,071.16

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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.