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Finding the Fourth Proportional to 1,180,594.80, 1,774,828.80 and 1,007,384.40

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Solution

The fourth proportional to 1,180,594.80, 1,774,828.80 and 1,007,384.40 is: 1,514,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,594.80 : 1,774,828.80 = 1,007,384.40 : x
  2. Step 2: Convert to fraction form
    1,180,594.80/1,774,828.80 = 1,007,384.40/x
  3. Step 3: Cross multiply
    1,180,594.80x = 1,774,828.80 × 1,007,384.40
  4. Step 4: Simplify right side
    1,180,594.80x = 1,787,934,845,790.72
  5. Step 5: Solve for x
    x = 1,787,934,845,790.72/1,180,594.80
  6. Step 6: Final answer
    x = 1,514,435.64

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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.