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Finding the Fourth Proportional to 554,812.34, 766,424.85 and 441,490.10

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Solution

The fourth proportional to 554,812.34, 766,424.85 and 441,490.10 is: 609,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,812.34 : 766,424.85 = 441,490.10 : x
  2. Step 2: Convert to fraction form
    554,812.34/766,424.85 = 441,490.10/x
  3. Step 3: Cross multiply
    554,812.34x = 766,424.85 × 441,490.10
  4. Step 4: Simplify right side
    554,812.34x = 338,368,983,668.99
  5. Step 5: Solve for x
    x = 338,368,983,668.99/554,812.34
  6. Step 6: Final answer
    x = 609,880.06

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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.