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Finding the Fourth Proportional to 877,196, 1,210,540.68 and 514,626.08

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Solution

The fourth proportional to 877,196, 1,210,540.68 and 514,626.08 is: 710,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,196 : 1,210,540.68 = 514,626.08 : x
  2. Step 2: Convert to fraction form
    877,196/1,210,540.68 = 514,626.08/x
  3. Step 3: Cross multiply
    877,196x = 1,210,540.68 × 514,626.08
  4. Step 4: Simplify right side
    877,196x = 622,975,804,828.93
  5. Step 5: Solve for x
    x = 622,975,804,828.93/877,196
  6. Step 6: Final answer
    x = 710,189.97

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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.