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Finding the Fourth Proportional to 973,145.60, 1,459,718.40 and 705,651.20

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Solution

The fourth proportional to 973,145.60, 1,459,718.40 and 705,651.20 is: 1,058,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,145.60 : 1,459,718.40 = 705,651.20 : x
  2. Step 2: Convert to fraction form
    973,145.60/1,459,718.40 = 705,651.20/x
  3. Step 3: Cross multiply
    973,145.60x = 1,459,718.40 × 705,651.20
  4. Step 4: Simplify right side
    973,145.60x = 1,030,052,040,622.08
  5. Step 5: Solve for x
    x = 1,030,052,040,622.08/973,145.60
  6. Step 6: Final answer
    x = 1,058,476.80

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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.