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Finding the Fourth Proportional to 1,706,981.52, 2,355,702.24 and 981,828.48

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Solution

The fourth proportional to 1,706,981.52, 2,355,702.24 and 981,828.48 is: 1,354,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,981.52 : 2,355,702.24 = 981,828.48 : x
  2. Step 2: Convert to fraction form
    1,706,981.52/2,355,702.24 = 981,828.48/x
  3. Step 3: Cross multiply
    1,706,981.52x = 2,355,702.24 × 981,828.48
  4. Step 4: Simplify right side
    1,706,981.52x = 2,312,895,549,631.80
  5. Step 5: Solve for x
    x = 2,312,895,549,631.80/1,706,981.52
  6. Step 6: Final answer
    x = 1,354,962.27

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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.