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Finding the Fourth Proportional to 953,997.96, 1,316,598 and 648,751.50

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Solution

The fourth proportional to 953,997.96, 1,316,598 and 648,751.50 is: 895,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,997.96 : 1,316,598 = 648,751.50 : x
  2. Step 2: Convert to fraction form
    953,997.96/1,316,598 = 648,751.50/x
  3. Step 3: Cross multiply
    953,997.96x = 1,316,598 × 648,751.50
  4. Step 4: Simplify right side
    953,997.96x = 854,144,927,397
  5. Step 5: Solve for x
    x = 854,144,927,397/953,997.96
  6. Step 6: Final answer
    x = 895,332.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.