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Finding the Fourth Proportional to 480,416.71, 662,946.24 and 265,543.96

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Solution

The fourth proportional to 480,416.71, 662,946.24 and 265,543.96 is: 366,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,416.71 : 662,946.24 = 265,543.96 : x
  2. Step 2: Convert to fraction form
    480,416.71/662,946.24 = 265,543.96/x
  3. Step 3: Cross multiply
    480,416.71x = 662,946.24 × 265,543.96
  4. Step 4: Simplify right side
    480,416.71x = 176,041,369,836.71
  5. Step 5: Solve for x
    x = 176,041,369,836.71/480,416.71
  6. Step 6: Final answer
    x = 366,434.74

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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.