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Finding the Fourth Proportional to 405,925.78, 560,166.12 and 224,645.26

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Solution

The fourth proportional to 405,925.78, 560,166.12 and 224,645.26 is: 310,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,925.78 : 560,166.12 = 224,645.26 : x
  2. Step 2: Convert to fraction form
    405,925.78/560,166.12 = 224,645.26/x
  3. Step 3: Cross multiply
    405,925.78x = 560,166.12 × 224,645.26
  4. Step 4: Simplify right side
    405,925.78x = 125,838,663,670.59
  5. Step 5: Solve for x
    x = 125,838,663,670.59/405,925.78
  6. Step 6: Final answer
    x = 310,004.12

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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.