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Finding the Fourth Proportional to 1,356,708, 1,872,257.04 and 753,152.16

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Solution

The fourth proportional to 1,356,708, 1,872,257.04 and 753,152.16 is: 1,039,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,708 : 1,872,257.04 = 753,152.16 : x
  2. Step 2: Convert to fraction form
    1,356,708/1,872,257.04 = 753,152.16/x
  3. Step 3: Cross multiply
    1,356,708x = 1,872,257.04 × 753,152.16
  4. Step 4: Simplify right side
    1,356,708x = 1,410,094,433,751.21
  5. Step 5: Solve for x
    x = 1,410,094,433,751.21/1,356,708
  6. Step 6: Final answer
    x = 1,039,349.98

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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.