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Finding the Fourth Proportional to 473,897.07, 710,845.59 and 189,715.55

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Solution

The fourth proportional to 473,897.07, 710,845.59 and 189,715.55 is: 284,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,897.07 : 710,845.59 = 189,715.55 : x
  2. Step 2: Convert to fraction form
    473,897.07/710,845.59 = 189,715.55/x
  3. Step 3: Cross multiply
    473,897.07x = 710,845.59 × 189,715.55
  4. Step 4: Simplify right side
    473,897.07x = 134,858,458,517.70
  5. Step 5: Solve for x
    x = 134,858,458,517.70/473,897.07
  6. Step 6: Final answer
    x = 284,573.31

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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.