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Finding the Fourth Proportional to 578,880.01, 798,856.86 and 337,328.29

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Solution

The fourth proportional to 578,880.01, 798,856.86 and 337,328.29 is: 465,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,880.01 : 798,856.86 = 337,328.29 : x
  2. Step 2: Convert to fraction form
    578,880.01/798,856.86 = 337,328.29/x
  3. Step 3: Cross multiply
    578,880.01x = 798,856.86 × 337,328.29
  4. Step 4: Simplify right side
    578,880.01x = 269,477,018,538.57
  5. Step 5: Solve for x
    x = 269,477,018,538.57/578,880.01
  6. Step 6: Final answer
    x = 465,514.47

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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.