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Finding the Fourth Proportional to 480,592.74, 663,191.18 and 265,719.90

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Solution

The fourth proportional to 480,592.74, 663,191.18 and 265,719.90 is: 366,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,592.74 : 663,191.18 = 265,719.90 : x
  2. Step 2: Convert to fraction form
    480,592.74/663,191.18 = 265,719.90/x
  3. Step 3: Cross multiply
    480,592.74x = 663,191.18 × 265,719.90
  4. Step 4: Simplify right side
    480,592.74x = 176,223,094,030.48
  5. Step 5: Solve for x
    x = 176,223,094,030.48/480,592.74
  6. Step 6: Final answer
    x = 366,678.64

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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.