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Finding the Fourth Proportional to 572,825.66, 790,513.34 and 314,719.32

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Solution

The fourth proportional to 572,825.66, 790,513.34 and 314,719.32 is: 434,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,825.66 : 790,513.34 = 314,719.32 : x
  2. Step 2: Convert to fraction form
    572,825.66/790,513.34 = 314,719.32/x
  3. Step 3: Cross multiply
    572,825.66x = 790,513.34 × 314,719.32
  4. Step 4: Simplify right side
    572,825.66x = 248,789,822,649.13
  5. Step 5: Solve for x
    x = 248,789,822,649.13/572,825.66
  6. Step 6: Final answer
    x = 434,320.32

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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.