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Finding the Fourth Proportional to 585,850.71, 808,423.68 and 340,880.79

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Solution

The fourth proportional to 585,850.71, 808,423.68 and 340,880.79 is: 470,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,850.71 : 808,423.68 = 340,880.79 : x
  2. Step 2: Convert to fraction form
    585,850.71/808,423.68 = 340,880.79/x
  3. Step 3: Cross multiply
    585,850.71x = 808,423.68 × 340,880.79
  4. Step 4: Simplify right side
    585,850.71x = 275,576,102,693.11
  5. Step 5: Solve for x
    x = 275,576,102,693.11/585,850.71
  6. Step 6: Final answer
    x = 470,386.22

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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.