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Finding the Fourth Proportional to 876,504.87, 1,314,740.88 and 277,501.98

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Solution

The fourth proportional to 876,504.87, 1,314,740.88 and 277,501.98 is: 416,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,504.87 : 1,314,740.88 = 277,501.98 : x
  2. Step 2: Convert to fraction form
    876,504.87/1,314,740.88 = 277,501.98/x
  3. Step 3: Cross multiply
    876,504.87x = 1,314,740.88 × 277,501.98
  4. Step 4: Simplify right side
    876,504.87x = 364,843,197,386.94
  5. Step 5: Solve for x
    x = 364,843,197,386.94/876,504.87
  6. Step 6: Final answer
    x = 416,247.77

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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.