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Finding the Fourth Proportional to 573,491.20, 859,054.20 and 336,114.40

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Solution

The fourth proportional to 573,491.20, 859,054.20 and 336,114.40 is: 503,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,491.20 : 859,054.20 = 336,114.40 : x
  2. Step 2: Convert to fraction form
    573,491.20/859,054.20 = 336,114.40/x
  3. Step 3: Cross multiply
    573,491.20x = 859,054.20 × 336,114.40
  4. Step 4: Simplify right side
    573,491.20x = 288,740,487,000.48
  5. Step 5: Solve for x
    x = 288,740,487,000.48/573,491.20
  6. Step 6: Final answer
    x = 503,478.50

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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.