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Finding the Fourth Proportional to 430,401.60, 593,114.40 and 425,152.80

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Solution

The fourth proportional to 430,401.60, 593,114.40 and 425,152.80 is: 585,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,401.60 : 593,114.40 = 425,152.80 : x
  2. Step 2: Convert to fraction form
    430,401.60/593,114.40 = 425,152.80/x
  3. Step 3: Cross multiply
    430,401.60x = 593,114.40 × 425,152.80
  4. Step 4: Simplify right side
    430,401.60x = 252,164,247,880.32
  5. Step 5: Solve for x
    x = 252,164,247,880.32/430,401.60
  6. Step 6: Final answer
    x = 585,881.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.