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Finding the Fourth Proportional to 359,055.74, 495,490.94 and 197,925.74

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Solution

The fourth proportional to 359,055.74, 495,490.94 and 197,925.74 is: 273,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,055.74 : 495,490.94 = 197,925.74 : x
  2. Step 2: Convert to fraction form
    359,055.74/495,490.94 = 197,925.74/x
  3. Step 3: Cross multiply
    359,055.74x = 495,490.94 × 197,925.74
  4. Step 4: Simplify right side
    359,055.74x = 98,070,410,962.80
  5. Step 5: Solve for x
    x = 98,070,410,962.80/359,055.74
  6. Step 6: Final answer
    x = 273,134.22

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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.