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Finding the Fourth Proportional to 578,853.51, 798,820.29 and 337,301.79

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Solution

The fourth proportional to 578,853.51, 798,820.29 and 337,301.79 is: 465,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,853.51 : 798,820.29 = 337,301.79 : x
  2. Step 2: Convert to fraction form
    578,853.51/798,820.29 = 337,301.79/x
  3. Step 3: Cross multiply
    578,853.51x = 798,820.29 × 337,301.79
  4. Step 4: Simplify right side
    578,853.51x = 269,443,513,705.32
  5. Step 5: Solve for x
    x = 269,443,513,705.32/578,853.51
  6. Step 6: Final answer
    x = 465,477.90

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Double scale
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Similar ratio
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1.5x scale

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.