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Finding the Fourth Proportional to 633,444.58, 874,167.69 and 361,507.06

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Solution

The fourth proportional to 633,444.58, 874,167.69 and 361,507.06 is: 498,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,444.58 : 874,167.69 = 361,507.06 : x
  2. Step 2: Convert to fraction form
    633,444.58/874,167.69 = 361,507.06/x
  3. Step 3: Cross multiply
    633,444.58x = 874,167.69 × 361,507.06
  4. Step 4: Simplify right side
    633,444.58x = 316,017,791,558.89
  5. Step 5: Solve for x
    x = 316,017,791,558.89/633,444.58
  6. Step 6: Final answer
    x = 498,887.83

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1.5x scale

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.