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Finding the Fourth Proportional to 594,078.10, 891,007.80 and 369,035.80

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Solution

The fourth proportional to 594,078.10, 891,007.80 and 369,035.80 is: 553,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,078.10 : 891,007.80 = 369,035.80 : x
  2. Step 2: Convert to fraction form
    594,078.10/891,007.80 = 369,035.80/x
  3. Step 3: Cross multiply
    594,078.10x = 891,007.80 × 369,035.80
  4. Step 4: Simplify right side
    594,078.10x = 328,813,776,279.24
  5. Step 5: Solve for x
    x = 328,813,776,279.24/594,078.10
  6. Step 6: Final answer
    x = 553,485.77

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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.