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Finding the Fourth Proportional to 526,130.40, 789,195.60 and 358,168.80

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Solution

The fourth proportional to 526,130.40, 789,195.60 and 358,168.80 is: 537,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,130.40 : 789,195.60 = 358,168.80 : x
  2. Step 2: Convert to fraction form
    526,130.40/789,195.60 = 358,168.80/x
  3. Step 3: Cross multiply
    526,130.40x = 789,195.60 × 358,168.80
  4. Step 4: Simplify right side
    526,130.40x = 282,665,241,017.28
  5. Step 5: Solve for x
    x = 282,665,241,017.28/526,130.40
  6. Step 6: Final answer
    x = 537,253.20

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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.