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Finding the Fourth Proportional to 4,148,776, 6,223,164 and 996,904

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Solution

The fourth proportional to 4,148,776, 6,223,164 and 996,904 is: 1,495,356

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148,776 : 6,223,164 = 996,904 : x
  2. Step 2: Convert to fraction form
    4,148,776/6,223,164 = 996,904/x
  3. Step 3: Cross multiply
    4,148,776x = 6,223,164 × 996,904
  4. Step 4: Simplify right side
    4,148,776x = 6,203,897,084,256
  5. Step 5: Solve for x
    x = 6,203,897,084,256/4,148,776
  6. Step 6: Final answer
    x = 1,495,356

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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.