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Finding the Fourth Proportional to 551,574.12, 761,148.18 and 337,073.16

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Solution

The fourth proportional to 551,574.12, 761,148.18 and 337,073.16 is: 465,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,574.12 : 761,148.18 = 337,073.16 : x
  2. Step 2: Convert to fraction form
    551,574.12/761,148.18 = 337,073.16/x
  3. Step 3: Cross multiply
    551,574.12x = 761,148.18 × 337,073.16
  4. Step 4: Simplify right side
    551,574.12x = 256,562,622,260.85
  5. Step 5: Solve for x
    x = 256,562,622,260.85/551,574.12
  6. Step 6: Final answer
    x = 465,146.23

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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.