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Finding the Fourth Proportional to 971,364.60, 1,457,046.90 and 706,980.60

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Solution

The fourth proportional to 971,364.60, 1,457,046.90 and 706,980.60 is: 1,060,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,364.60 : 1,457,046.90 = 706,980.60 : x
  2. Step 2: Convert to fraction form
    971,364.60/1,457,046.90 = 706,980.60/x
  3. Step 3: Cross multiply
    971,364.60x = 1,457,046.90 × 706,980.60
  4. Step 4: Simplify right side
    971,364.60x = 1,030,103,891,590.14
  5. Step 5: Solve for x
    x = 1,030,103,891,590.14/971,364.60
  6. Step 6: Final answer
    x = 1,060,470.90

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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.