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Finding the Fourth Proportional to 526,897.95, 790,382.09 and 185,300.38

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Solution

The fourth proportional to 526,897.95, 790,382.09 and 185,300.38 is: 277,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,897.95 : 790,382.09 = 185,300.38 : x
  2. Step 2: Convert to fraction form
    526,897.95/790,382.09 = 185,300.38/x
  3. Step 3: Cross multiply
    526,897.95x = 790,382.09 × 185,300.38
  4. Step 4: Simplify right side
    526,897.95x = 146,458,101,622.19
  5. Step 5: Solve for x
    x = 146,458,101,622.19/526,897.95
  6. Step 6: Final answer
    x = 277,962.94

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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.