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Finding the Fourth Proportional to 970,254.80, 1,453,999.80 and 715,547.60

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Solution

The fourth proportional to 970,254.80, 1,453,999.80 and 715,547.60 is: 1,072,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,254.80 : 1,453,999.80 = 715,547.60 : x
  2. Step 2: Convert to fraction form
    970,254.80/1,453,999.80 = 715,547.60/x
  3. Step 3: Cross multiply
    970,254.80x = 1,453,999.80 × 715,547.60
  4. Step 4: Simplify right side
    970,254.80x = 1,040,406,067,290.48
  5. Step 5: Solve for x
    x = 1,040,406,067,290.48/970,254.80
  6. Step 6: Final answer
    x = 1,072,301.90

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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.