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Finding the Fourth Proportional to 971,339.60, 1,457,009.40 and 706,955.60

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Solution

The fourth proportional to 971,339.60, 1,457,009.40 and 706,955.60 is: 1,060,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,339.60 : 1,457,009.40 = 706,955.60 : x
  2. Step 2: Convert to fraction form
    971,339.60/1,457,009.40 = 706,955.60/x
  3. Step 3: Cross multiply
    971,339.60x = 1,457,009.40 × 706,955.60
  4. Step 4: Simplify right side
    971,339.60x = 1,030,040,954,582.64
  5. Step 5: Solve for x
    x = 1,030,040,954,582.64/971,339.60
  6. Step 6: Final answer
    x = 1,060,433.40

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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.