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Finding the Fourth Proportional to 587,995.20, 881,085.60 and 437,529.60

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Solution

The fourth proportional to 587,995.20, 881,085.60 and 437,529.60 is: 655,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,995.20 : 881,085.60 = 437,529.60 : x
  2. Step 2: Convert to fraction form
    587,995.20/881,085.60 = 437,529.60/x
  3. Step 3: Cross multiply
    587,995.20x = 881,085.60 × 437,529.60
  4. Step 4: Simplify right side
    587,995.20x = 385,501,030,133.76
  5. Step 5: Solve for x
    x = 385,501,030,133.76/587,995.20
  6. Step 6: Final answer
    x = 655,619.35

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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.