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Finding the Fourth Proportional to 623,443.80, 933,783.30 and 374,611.80

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Solution

The fourth proportional to 623,443.80, 933,783.30 and 374,611.80 is: 561,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,443.80 : 933,783.30 = 374,611.80 : x
  2. Step 2: Convert to fraction form
    623,443.80/933,783.30 = 374,611.80/x
  3. Step 3: Cross multiply
    623,443.80x = 933,783.30 × 374,611.80
  4. Step 4: Simplify right side
    623,443.80x = 349,806,242,822.94
  5. Step 5: Solve for x
    x = 349,806,242,822.94/623,443.80
  6. Step 6: Final answer
    x = 561,087.05

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1.5x scale

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.