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Finding the Fourth Proportional to 734,061.54, 1,012,420.54 and 606,515.70

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Solution

The fourth proportional to 734,061.54, 1,012,420.54 and 606,515.70 is: 836,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,061.54 : 1,012,420.54 = 606,515.70 : x
  2. Step 2: Convert to fraction form
    734,061.54/1,012,420.54 = 606,515.70/x
  3. Step 3: Cross multiply
    734,061.54x = 1,012,420.54 × 606,515.70
  4. Step 4: Simplify right side
    734,061.54x = 614,048,952,512.48
  5. Step 5: Solve for x
    x = 614,048,952,512.48/734,061.54
  6. Step 6: Final answer
    x = 836,508.82

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Double scale
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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.