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Finding the Fourth Proportional to 971,352.90, 1,457,029.35 and 551,448.90

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Solution

The fourth proportional to 971,352.90, 1,457,029.35 and 551,448.90 is: 827,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,352.90 : 1,457,029.35 = 551,448.90 : x
  2. Step 2: Convert to fraction form
    971,352.90/1,457,029.35 = 551,448.90/x
  3. Step 3: Cross multiply
    971,352.90x = 1,457,029.35 × 551,448.90
  4. Step 4: Simplify right side
    971,352.90x = 803,477,232,325.22
  5. Step 5: Solve for x
    x = 803,477,232,325.22/971,352.90
  6. Step 6: Final answer
    x = 827,173.35

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Double scale
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Similar ratio
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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.