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Finding the Fourth Proportional to 704,528, 1,056,570.16 and 231,103.36

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Solution

The fourth proportional to 704,528, 1,056,570.16 and 231,103.36 is: 346,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,528 : 1,056,570.16 = 231,103.36 : x
  2. Step 2: Convert to fraction form
    704,528/1,056,570.16 = 231,103.36/x
  3. Step 3: Cross multiply
    704,528x = 1,056,570.16 × 231,103.36
  4. Step 4: Simplify right side
    704,528x = 244,176,914,051.74
  5. Step 5: Solve for x
    x = 244,176,914,051.74/704,528
  6. Step 6: Final answer
    x = 346,582.27

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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.