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Finding the Fourth Proportional to 537,336.36, 742,022.16 and 346,677.48

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Solution

The fourth proportional to 537,336.36, 742,022.16 and 346,677.48 is: 478,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,336.36 : 742,022.16 = 346,677.48 : x
  2. Step 2: Convert to fraction form
    537,336.36/742,022.16 = 346,677.48/x
  3. Step 3: Cross multiply
    537,336.36x = 742,022.16 × 346,677.48
  4. Step 4: Simplify right side
    537,336.36x = 257,242,372,532.96
  5. Step 5: Solve for x
    x = 257,242,372,532.96/537,336.36
  6. Step 6: Final answer
    x = 478,736.21

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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.