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Finding the Fourth Proportional to 262,590.10, 361,938.71 and 186,010.93

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Solution

The fourth proportional to 262,590.10, 361,938.71 and 186,010.93 is: 256,386.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,590.10 : 361,938.71 = 186,010.93 : x
  2. Step 2: Convert to fraction form
    262,590.10/361,938.71 = 186,010.93/x
  3. Step 3: Cross multiply
    262,590.10x = 361,938.71 × 186,010.93
  4. Step 4: Simplify right side
    262,590.10x = 67,324,556,967.55
  5. Step 5: Solve for x
    x = 67,324,556,967.55/262,590.10
  6. Step 6: Final answer
    x = 256,386.50

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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.