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Finding the Fourth Proportional to 355,075.20, 532,612.80 and 236,102.40

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Solution

The fourth proportional to 355,075.20, 532,612.80 and 236,102.40 is: 354,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,075.20 : 532,612.80 = 236,102.40 : x
  2. Step 2: Convert to fraction form
    355,075.20/532,612.80 = 236,102.40/x
  3. Step 3: Cross multiply
    355,075.20x = 532,612.80 × 236,102.40
  4. Step 4: Simplify right side
    355,075.20x = 125,751,160,350.72
  5. Step 5: Solve for x
    x = 125,751,160,350.72/355,075.20
  6. Step 6: Final answer
    x = 354,153.60

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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.