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Finding the Fourth Proportional to 970,605.60, 1,455,908.40 and 883,514.40

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Solution

The fourth proportional to 970,605.60, 1,455,908.40 and 883,514.40 is: 1,325,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,605.60 : 1,455,908.40 = 883,514.40 : x
  2. Step 2: Convert to fraction form
    970,605.60/1,455,908.40 = 883,514.40/x
  3. Step 3: Cross multiply
    970,605.60x = 1,455,908.40 × 883,514.40
  4. Step 4: Simplify right side
    970,605.60x = 1,286,316,036,480.96
  5. Step 5: Solve for x
    x = 1,286,316,036,480.96/970,605.60
  6. Step 6: Final answer
    x = 1,325,271.60

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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.