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Finding the Fourth Proportional to 357,655.20, 536,482.80 and 224,628.90

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Solution

The fourth proportional to 357,655.20, 536,482.80 and 224,628.90 is: 336,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,655.20 : 536,482.80 = 224,628.90 : x
  2. Step 2: Convert to fraction form
    357,655.20/536,482.80 = 224,628.90/x
  3. Step 3: Cross multiply
    357,655.20x = 536,482.80 × 224,628.90
  4. Step 4: Simplify right side
    357,655.20x = 120,509,541,232.92
  5. Step 5: Solve for x
    x = 120,509,541,232.92/357,655.20
  6. Step 6: Final answer
    x = 336,943.35

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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.