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Finding the Fourth Proportional to 514,574.44, 710,112.72 and 313,370.44

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Solution

The fourth proportional to 514,574.44, 710,112.72 and 313,370.44 is: 432,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,574.44 : 710,112.72 = 313,370.44 : x
  2. Step 2: Convert to fraction form
    514,574.44/710,112.72 = 313,370.44/x
  3. Step 3: Cross multiply
    514,574.44x = 710,112.72 × 313,370.44
  4. Step 4: Simplify right side
    514,574.44x = 222,528,334,915.85
  5. Step 5: Solve for x
    x = 222,528,334,915.85/514,574.44
  6. Step 6: Final answer
    x = 432,451.20

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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.