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Finding the Fourth Proportional to 545,646.45, 753,468.48 and 342,048.27

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Solution

The fourth proportional to 545,646.45, 753,468.48 and 342,048.27 is: 472,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,646.45 : 753,468.48 = 342,048.27 : x
  2. Step 2: Convert to fraction form
    545,646.45/753,468.48 = 342,048.27/x
  3. Step 3: Cross multiply
    545,646.45x = 753,468.48 × 342,048.27
  4. Step 4: Simplify right side
    545,646.45x = 257,722,590,083.53
  5. Step 5: Solve for x
    x = 257,722,590,083.53/545,646.45
  6. Step 6: Final answer
    x = 472,325.24

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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.