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Finding the Fourth Proportional to 586,985.65, 810,043.19 and 332,386.45

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Solution

The fourth proportional to 586,985.65, 810,043.19 and 332,386.45 is: 458,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,985.65 : 810,043.19 = 332,386.45 : x
  2. Step 2: Convert to fraction form
    586,985.65/810,043.19 = 332,386.45/x
  3. Step 3: Cross multiply
    586,985.65x = 810,043.19 × 332,386.45
  4. Step 4: Simplify right side
    586,985.65x = 269,247,380,270.78
  5. Step 5: Solve for x
    x = 269,247,380,270.78/586,985.65
  6. Step 6: Final answer
    x = 458,695.00

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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.