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Finding the Fourth Proportional to 607,002.40, 911,194.80 and 357,824.80

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Solution

The fourth proportional to 607,002.40, 911,194.80 and 357,824.80 is: 537,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,002.40 : 911,194.80 = 357,824.80 : x
  2. Step 2: Convert to fraction form
    607,002.40/911,194.80 = 357,824.80/x
  3. Step 3: Cross multiply
    607,002.40x = 911,194.80 × 357,824.80
  4. Step 4: Simplify right side
    607,002.40x = 326,048,097,071.04
  5. Step 5: Solve for x
    x = 326,048,097,071.04/607,002.40
  6. Step 6: Final answer
    x = 537,144.66

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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.