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Finding the Fourth Proportional to 536,898.32, 740,921.16 and 295,205.60

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Solution

The fourth proportional to 536,898.32, 740,921.16 and 295,205.60 is: 407,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,898.32 : 740,921.16 = 295,205.60 : x
  2. Step 2: Convert to fraction form
    536,898.32/740,921.16 = 295,205.60/x
  3. Step 3: Cross multiply
    536,898.32x = 740,921.16 × 295,205.60
  4. Step 4: Simplify right side
    536,898.32x = 218,724,075,590.50
  5. Step 5: Solve for x
    x = 218,724,075,590.50/536,898.32
  6. Step 6: Final answer
    x = 407,384.54

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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.