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Finding the Fourth Proportional to 402,879.20, 556,002.24 and 241,730.24

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Solution

The fourth proportional to 402,879.20, 556,002.24 and 241,730.24 is: 333,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,879.20 : 556,002.24 = 241,730.24 : x
  2. Step 2: Convert to fraction form
    402,879.20/556,002.24 = 241,730.24/x
  3. Step 3: Cross multiply
    402,879.20x = 556,002.24 × 241,730.24
  4. Step 4: Simplify right side
    402,879.20x = 134,402,554,915.74
  5. Step 5: Solve for x
    x = 134,402,554,915.74/402,879.20
  6. Step 6: Final answer
    x = 333,605.10

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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.