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Finding the Fourth Proportional to 359,070.09, 495,516.60 and 197,927.83

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Solution

The fourth proportional to 359,070.09, 495,516.60 and 197,927.83 is: 273,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,070.09 : 495,516.60 = 197,927.83 : x
  2. Step 2: Convert to fraction form
    359,070.09/495,516.60 = 197,927.83/x
  3. Step 3: Cross multiply
    359,070.09x = 495,516.60 × 197,927.83
  4. Step 4: Simplify right side
    359,070.09x = 98,076,525,366.98
  5. Step 5: Solve for x
    x = 98,076,525,366.98/359,070.09
  6. Step 6: Final answer
    x = 273,140.34

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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.