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Finding the Fourth Proportional to 700,846.40, 1,049,714.40 and 576,430.40

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Solution

The fourth proportional to 700,846.40, 1,049,714.40 and 576,430.40 is: 863,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,846.40 : 1,049,714.40 = 576,430.40 : x
  2. Step 2: Convert to fraction form
    700,846.40/1,049,714.40 = 576,430.40/x
  3. Step 3: Cross multiply
    700,846.40x = 1,049,714.40 × 576,430.40
  4. Step 4: Simplify right side
    700,846.40x = 605,087,291,477.76
  5. Step 5: Solve for x
    x = 605,087,291,477.76/700,846.40
  6. Step 6: Final answer
    x = 863,366.48

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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.