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Finding the Fourth Proportional to 540,329.58, 745,657.14 and 295,319.28

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Solution

The fourth proportional to 540,329.58, 745,657.14 and 295,319.28 is: 407,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,329.58 : 745,657.14 = 295,319.28 : x
  2. Step 2: Convert to fraction form
    540,329.58/745,657.14 = 295,319.28/x
  3. Step 3: Cross multiply
    540,329.58x = 745,657.14 × 295,319.28
  4. Step 4: Simplify right side
    540,329.58x = 220,206,925,983.37
  5. Step 5: Solve for x
    x = 220,206,925,983.37/540,329.58
  6. Step 6: Final answer
    x = 407,541.87

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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.