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Finding the Fourth Proportional to 587,287.60, 880,931.40 and 519,636.40

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Solution

The fourth proportional to 587,287.60, 880,931.40 and 519,636.40 is: 779,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,287.60 : 880,931.40 = 519,636.40 : x
  2. Step 2: Convert to fraction form
    587,287.60/880,931.40 = 519,636.40/x
  3. Step 3: Cross multiply
    587,287.60x = 880,931.40 × 519,636.40
  4. Step 4: Simplify right side
    587,287.60x = 457,764,021,342.96
  5. Step 5: Solve for x
    x = 457,764,021,342.96/587,287.60
  6. Step 6: Final answer
    x = 779,454.60

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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.