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Finding the Fourth Proportional to 750,876.85, 1,036,235.91 and 411,345.10

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Solution

The fourth proportional to 750,876.85, 1,036,235.91 and 411,345.10 is: 567,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,876.85 : 1,036,235.91 = 411,345.10 : x
  2. Step 2: Convert to fraction form
    750,876.85/1,036,235.91 = 411,345.10/x
  3. Step 3: Cross multiply
    750,876.85x = 1,036,235.91 × 411,345.10
  4. Step 4: Simplify right side
    750,876.85x = 426,250,564,022.54
  5. Step 5: Solve for x
    x = 426,250,564,022.54/750,876.85
  6. Step 6: Final answer
    x = 567,670.40

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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.