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Finding the Fourth Proportional to 556,973.87, 834,838.72 and 512,135.51

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Solution

The fourth proportional to 556,973.87, 834,838.72 and 512,135.51 is: 767,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,973.87 : 834,838.72 = 512,135.51 : x
  2. Step 2: Convert to fraction form
    556,973.87/834,838.72 = 512,135.51/x
  3. Step 3: Cross multiply
    556,973.87x = 834,838.72 × 512,135.51
  4. Step 4: Simplify right side
    556,973.87x = 427,550,553,634.95
  5. Step 5: Solve for x
    x = 427,550,553,634.95/556,973.87
  6. Step 6: Final answer
    x = 767,631.26

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1.5x scale

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.