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Finding the Fourth Proportional to 410,012.80, 614,500.80 and 365,430.40

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Solution

The fourth proportional to 410,012.80, 614,500.80 and 365,430.40 is: 547,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,012.80 : 614,500.80 = 365,430.40 : x
  2. Step 2: Convert to fraction form
    410,012.80/614,500.80 = 365,430.40/x
  3. Step 3: Cross multiply
    410,012.80x = 614,500.80 × 365,430.40
  4. Step 4: Simplify right side
    410,012.80x = 224,557,273,144.32
  5. Step 5: Solve for x
    x = 224,557,273,144.32/410,012.80
  6. Step 6: Final answer
    x = 547,683.57

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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.