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Finding the Fourth Proportional to 480,337.68, 662,957.42 and 316,706.34

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Solution

The fourth proportional to 480,337.68, 662,957.42 and 316,706.34 is: 437,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,337.68 : 662,957.42 = 316,706.34 : x
  2. Step 2: Convert to fraction form
    480,337.68/662,957.42 = 316,706.34/x
  3. Step 3: Cross multiply
    480,337.68x = 662,957.42 × 316,706.34
  4. Step 4: Simplify right side
    480,337.68x = 209,962,816,480.51
  5. Step 5: Solve for x
    x = 209,962,816,480.51/480,337.68
  6. Step 6: Final answer
    x = 437,115.02

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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.