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Finding the Fourth Proportional to 447,117.60, 669,898.80 and 367,802.40

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Solution

The fourth proportional to 447,117.60, 669,898.80 and 367,802.40 is: 551,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,117.60 : 669,898.80 = 367,802.40 : x
  2. Step 2: Convert to fraction form
    447,117.60/669,898.80 = 367,802.40/x
  3. Step 3: Cross multiply
    447,117.60x = 669,898.80 × 367,802.40
  4. Step 4: Simplify right side
    447,117.60x = 246,390,386,397.12
  5. Step 5: Solve for x
    x = 246,390,386,397.12/447,117.60
  6. Step 6: Final answer
    x = 551,063.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.