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Finding the Fourth Proportional to 750,682.72, 1,035,927.12 and 411,148

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Solution

The fourth proportional to 750,682.72, 1,035,927.12 and 411,148 is: 567,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,682.72 : 1,035,927.12 = 411,148 : x
  2. Step 2: Convert to fraction form
    750,682.72/1,035,927.12 = 411,148/x
  3. Step 3: Cross multiply
    750,682.72x = 1,035,927.12 × 411,148
  4. Step 4: Simplify right side
    750,682.72x = 425,919,363,533.76
  5. Step 5: Solve for x
    x = 425,919,363,533.76/750,682.72
  6. Step 6: Final answer
    x = 567,376.01

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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.