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Finding the Fourth Proportional to 657,815.60, 986,885.40 and 184,494.80

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Solution

The fourth proportional to 657,815.60, 986,885.40 and 184,494.80 is: 276,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,815.60 : 986,885.40 = 184,494.80 : x
  2. Step 2: Convert to fraction form
    657,815.60/986,885.40 = 184,494.80/x
  3. Step 3: Cross multiply
    657,815.60x = 986,885.40 × 184,494.80
  4. Step 4: Simplify right side
    657,815.60x = 182,075,224,495.92
  5. Step 5: Solve for x
    x = 182,075,224,495.92/657,815.60
  6. Step 6: Final answer
    x = 276,787.64

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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.