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Finding the Fourth Proportional to 545,566.86, 752,852.94 and 300,543.58

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Solution

The fourth proportional to 545,566.86, 752,852.94 and 300,543.58 is: 414,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,566.86 : 752,852.94 = 300,543.58 : x
  2. Step 2: Convert to fraction form
    545,566.86/752,852.94 = 300,543.58/x
  3. Step 3: Cross multiply
    545,566.86x = 752,852.94 × 300,543.58
  4. Step 4: Simplify right side
    545,566.86x = 226,265,117,801.13
  5. Step 5: Solve for x
    x = 226,265,117,801.13/545,566.86
  6. Step 6: Final answer
    x = 414,733.98

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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.