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Finding the Fourth Proportional to 834,700, 1,151,886 and 477,004

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Solution

The fourth proportional to 834,700, 1,151,886 and 477,004 is: 658,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,700 : 1,151,886 = 477,004 : x
  2. Step 2: Convert to fraction form
    834,700/1,151,886 = 477,004/x
  3. Step 3: Cross multiply
    834,700x = 1,151,886 × 477,004
  4. Step 4: Simplify right side
    834,700x = 549,454,229,544
  5. Step 5: Solve for x
    x = 549,454,229,544/834,700
  6. Step 6: Final answer
    x = 658,265.52

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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.