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Finding the Fourth Proportional to 503,886.90, 755,830.35 and 148,904.40

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Solution

The fourth proportional to 503,886.90, 755,830.35 and 148,904.40 is: 223,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,886.90 : 755,830.35 = 148,904.40 : x
  2. Step 2: Convert to fraction form
    503,886.90/755,830.35 = 148,904.40/x
  3. Step 3: Cross multiply
    503,886.90x = 755,830.35 × 148,904.40
  4. Step 4: Simplify right side
    503,886.90x = 112,546,464,768.54
  5. Step 5: Solve for x
    x = 112,546,464,768.54/503,886.90
  6. Step 6: Final answer
    x = 223,356.60

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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.