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Finding the Fourth Proportional to 983,483.60, 1,473,281.40 and 866,584.40

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Solution

The fourth proportional to 983,483.60, 1,473,281.40 and 866,584.40 is: 1,298,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,483.60 : 1,473,281.40 = 866,584.40 : x
  2. Step 2: Convert to fraction form
    983,483.60/1,473,281.40 = 866,584.40/x
  3. Step 3: Cross multiply
    983,483.60x = 1,473,281.40 × 866,584.40
  4. Step 4: Simplify right side
    983,483.60x = 1,276,722,678,050.16
  5. Step 5: Solve for x
    x = 1,276,722,678,050.16/983,483.60
  6. Step 6: Final answer
    x = 1,298,163.67

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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.