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Finding the Fourth Proportional to 294,707.60, 442,061.40 and 262,048.40

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Solution

The fourth proportional to 294,707.60, 442,061.40 and 262,048.40 is: 393,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,707.60 : 442,061.40 = 262,048.40 : x
  2. Step 2: Convert to fraction form
    294,707.60/442,061.40 = 262,048.40/x
  3. Step 3: Cross multiply
    294,707.60x = 442,061.40 × 262,048.40
  4. Step 4: Simplify right side
    294,707.60x = 115,841,482,571.76
  5. Step 5: Solve for x
    x = 115,841,482,571.76/294,707.60
  6. Step 6: Final answer
    x = 393,072.60

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1.5x scale

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.