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Finding the Fourth Proportional to 540,095.76, 745,395.48 and 325,344.24

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Solution

The fourth proportional to 540,095.76, 745,395.48 and 325,344.24 is: 449,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,095.76 : 745,395.48 = 325,344.24 : x
  2. Step 2: Convert to fraction form
    540,095.76/745,395.48 = 325,344.24/x
  3. Step 3: Cross multiply
    540,095.76x = 745,395.48 × 325,344.24
  4. Step 4: Simplify right side
    540,095.76x = 242,510,125,940.04
  5. Step 5: Solve for x
    x = 242,510,125,940.04/540,095.76
  6. Step 6: Final answer
    x = 449,013.20

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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.