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Finding the Fourth Proportional to 843,840.58, 1,164,503.54 and 456,656.01

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Solution

The fourth proportional to 843,840.58, 1,164,503.54 and 456,656.01 is: 630,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,840.58 : 1,164,503.54 = 456,656.01 : x
  2. Step 2: Convert to fraction form
    843,840.58/1,164,503.54 = 456,656.01/x
  3. Step 3: Cross multiply
    843,840.58x = 1,164,503.54 × 456,656.01
  4. Step 4: Simplify right side
    843,840.58x = 531,777,544,260.17
  5. Step 5: Solve for x
    x = 531,777,544,260.17/843,840.58
  6. Step 6: Final answer
    x = 630,187.22

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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.