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Finding the Fourth Proportional to 483,063.60, 724,595.40 and 415,412.40

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Solution

The fourth proportional to 483,063.60, 724,595.40 and 415,412.40 is: 623,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,063.60 : 724,595.40 = 415,412.40 : x
  2. Step 2: Convert to fraction form
    483,063.60/724,595.40 = 415,412.40/x
  3. Step 3: Cross multiply
    483,063.60x = 724,595.40 × 415,412.40
  4. Step 4: Simplify right side
    483,063.60x = 301,005,914,142.96
  5. Step 5: Solve for x
    x = 301,005,914,142.96/483,063.60
  6. Step 6: Final answer
    x = 623,118.60

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Similar ratio
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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.