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Finding the Fourth Proportional to 633,822.32, 874,681.68 and 347,336.25

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Solution

The fourth proportional to 633,822.32, 874,681.68 and 347,336.25 is: 479,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,822.32 : 874,681.68 = 347,336.25 : x
  2. Step 2: Convert to fraction form
    633,822.32/874,681.68 = 347,336.25/x
  3. Step 3: Cross multiply
    633,822.32x = 874,681.68 × 347,336.25
  4. Step 4: Simplify right side
    633,822.32x = 303,808,654,674.90
  5. Step 5: Solve for x
    x = 303,808,654,674.90/633,822.32
  6. Step 6: Final answer
    x = 479,327.80

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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.