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Finding the Fourth Proportional to 700,487.40, 1,049,175.90 and 607,175.40

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Solution

The fourth proportional to 700,487.40, 1,049,175.90 and 607,175.40 is: 909,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,487.40 : 1,049,175.90 = 607,175.40 : x
  2. Step 2: Convert to fraction form
    700,487.40/1,049,175.90 = 607,175.40/x
  3. Step 3: Cross multiply
    700,487.40x = 1,049,175.90 × 607,175.40
  4. Step 4: Simplify right side
    700,487.40x = 637,033,796,752.86
  5. Step 5: Solve for x
    x = 637,033,796,752.86/700,487.40
  6. Step 6: Final answer
    x = 909,415.07

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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.