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Finding the Fourth Proportional to 978,046.90, 1,467,070.35 and 894,066.10

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Solution

The fourth proportional to 978,046.90, 1,467,070.35 and 894,066.10 is: 1,341,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,046.90 : 1,467,070.35 = 894,066.10 : x
  2. Step 2: Convert to fraction form
    978,046.90/1,467,070.35 = 894,066.10/x
  3. Step 3: Cross multiply
    978,046.90x = 1,467,070.35 × 894,066.10
  4. Step 4: Simplify right side
    978,046.90x = 1,311,657,866,250.14
  5. Step 5: Solve for x
    x = 1,311,657,866,250.14/978,046.90
  6. Step 6: Final answer
    x = 1,341,099.15

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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.