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Finding the Fourth Proportional to 971,567.20, 1,460,461.20 and 693,013.60

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Solution

The fourth proportional to 971,567.20, 1,460,461.20 and 693,013.60 is: 1,041,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,567.20 : 1,460,461.20 = 693,013.60 : x
  2. Step 2: Convert to fraction form
    971,567.20/1,460,461.20 = 693,013.60/x
  3. Step 3: Cross multiply
    971,567.20x = 1,460,461.20 × 693,013.60
  4. Step 4: Simplify right side
    971,567.20x = 1,012,119,473,872.32
  5. Step 5: Solve for x
    x = 1,012,119,473,872.32/971,567.20
  6. Step 6: Final answer
    x = 1,041,739.03

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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.