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Finding the Fourth Proportional to 1,049,482.08, 1,572,894 and 670,256.28

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Solution

The fourth proportional to 1,049,482.08, 1,572,894 and 670,256.28 is: 1,004,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,482.08 : 1,572,894 = 670,256.28 : x
  2. Step 2: Convert to fraction form
    1,049,482.08/1,572,894 = 670,256.28/x
  3. Step 3: Cross multiply
    1,049,482.08x = 1,572,894 × 670,256.28
  4. Step 4: Simplify right side
    1,049,482.08x = 1,054,242,081,274.32
  5. Step 5: Solve for x
    x = 1,054,242,081,274.32/1,049,482.08
  6. Step 6: Final answer
    x = 1,004,535.57

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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.