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Finding the Fourth Proportional to 464,533.59, 696,798.90 and 127,574.58

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Solution

The fourth proportional to 464,533.59, 696,798.90 and 127,574.58 is: 191,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,533.59 : 696,798.90 = 127,574.58 : x
  2. Step 2: Convert to fraction form
    464,533.59/696,798.90 = 127,574.58/x
  3. Step 3: Cross multiply
    464,533.59x = 696,798.90 × 127,574.58
  4. Step 4: Simplify right side
    464,533.59x = 88,893,827,011.96
  5. Step 5: Solve for x
    x = 88,893,827,011.96/464,533.59
  6. Step 6: Final answer
    x = 191,361.46

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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.