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Finding the Fourth Proportional to 635,590.19, 953,386.81 and 155,820.11

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Solution

The fourth proportional to 635,590.19, 953,386.81 and 155,820.11 is: 233,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,590.19 : 953,386.81 = 155,820.11 : x
  2. Step 2: Convert to fraction form
    635,590.19/953,386.81 = 155,820.11/x
  3. Step 3: Cross multiply
    635,590.19x = 953,386.81 × 155,820.11
  4. Step 4: Simplify right side
    635,590.19x = 148,556,832,450.27
  5. Step 5: Solve for x
    x = 148,556,832,450.27/635,590.19
  6. Step 6: Final answer
    x = 233,730.53

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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.