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Finding the Fourth Proportional to 453,354.36, 625,590.45 and 262,379.58

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Solution

The fourth proportional to 453,354.36, 625,590.45 and 262,379.58 is: 362,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,354.36 : 625,590.45 = 262,379.58 : x
  2. Step 2: Convert to fraction form
    453,354.36/625,590.45 = 262,379.58/x
  3. Step 3: Cross multiply
    453,354.36x = 625,590.45 × 262,379.58
  4. Step 4: Simplify right side
    453,354.36x = 164,142,159,523.01
  5. Step 5: Solve for x
    x = 164,142,159,523.01/453,354.36
  6. Step 6: Final answer
    x = 362,061.50

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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.