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Finding the Fourth Proportional to 359,030.82, 495,465.55 and 197,886.27

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Solution

The fourth proportional to 359,030.82, 495,465.55 and 197,886.27 is: 273,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,030.82 : 495,465.55 = 197,886.27 : x
  2. Step 2: Convert to fraction form
    359,030.82/495,465.55 = 197,886.27/x
  3. Step 3: Cross multiply
    359,030.82x = 495,465.55 × 197,886.27
  4. Step 4: Simplify right side
    359,030.82x = 98,045,829,603.00
  5. Step 5: Solve for x
    x = 98,045,829,603.00/359,030.82
  6. Step 6: Final answer
    x = 273,084.72

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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.