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Finding the Fourth Proportional to 545,295.48, 752,017.86 and 341,364.98

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Solution

The fourth proportional to 545,295.48, 752,017.86 and 341,364.98 is: 470,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,295.48 : 752,017.86 = 341,364.98 : x
  2. Step 2: Convert to fraction form
    545,295.48/752,017.86 = 341,364.98/x
  3. Step 3: Cross multiply
    545,295.48x = 752,017.86 × 341,364.98
  4. Step 4: Simplify right side
    545,295.48x = 256,712,557,978.45
  5. Step 5: Solve for x
    x = 256,712,557,978.45/545,295.48
  6. Step 6: Final answer
    x = 470,776.98

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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.