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Finding the Fourth Proportional to 554,809.24, 832,477.12 and 384,293.16

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Solution

The fourth proportional to 554,809.24, 832,477.12 and 384,293.16 is: 576,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,809.24 : 832,477.12 = 384,293.16 : x
  2. Step 2: Convert to fraction form
    554,809.24/832,477.12 = 384,293.16/x
  3. Step 3: Cross multiply
    554,809.24x = 832,477.12 × 384,293.16
  4. Step 4: Simplify right side
    554,809.24x = 319,915,263,072.50
  5. Step 5: Solve for x
    x = 319,915,263,072.50/554,809.24
  6. Step 6: Final answer
    x = 576,622.09

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1.5x scale

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.