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Finding the Fourth Proportional to 950,393.98, 1,311,532.71 and 514,802.98

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Solution

The fourth proportional to 950,393.98, 1,311,532.71 and 514,802.98 is: 710,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,393.98 : 1,311,532.71 = 514,802.98 : x
  2. Step 2: Convert to fraction form
    950,393.98/1,311,532.71 = 514,802.98/x
  3. Step 3: Cross multiply
    950,393.98x = 1,311,532.71 × 514,802.98
  4. Step 4: Simplify right side
    950,393.98x = 675,180,947,475.48
  5. Step 5: Solve for x
    x = 675,180,947,475.48/950,393.98
  6. Step 6: Final answer
    x = 710,422.16

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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.