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Finding the Fourth Proportional to 1,037,974.90, 1,556,962.35 and 565,582.90

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Solution

The fourth proportional to 1,037,974.90, 1,556,962.35 and 565,582.90 is: 848,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,974.90 : 1,556,962.35 = 565,582.90 : x
  2. Step 2: Convert to fraction form
    1,037,974.90/1,556,962.35 = 565,582.90/x
  3. Step 3: Cross multiply
    1,037,974.90x = 1,556,962.35 × 565,582.90
  4. Step 4: Simplify right side
    1,037,974.90x = 880,591,281,103.82
  5. Step 5: Solve for x
    x = 880,591,281,103.82/1,037,974.90
  6. Step 6: Final answer
    x = 848,374.35

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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.