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Finding the Fourth Proportional to 554,655.12, 832,012.92 and 175,547.54

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Solution

The fourth proportional to 554,655.12, 832,012.92 and 175,547.54 is: 263,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,655.12 : 832,012.92 = 175,547.54 : x
  2. Step 2: Convert to fraction form
    554,655.12/832,012.92 = 175,547.54/x
  3. Step 3: Cross multiply
    554,655.12x = 832,012.92 × 175,547.54
  4. Step 4: Simplify right side
    554,655.12x = 146,057,821,354.22
  5. Step 5: Solve for x
    x = 146,057,821,354.22/554,655.12
  6. Step 6: Final answer
    x = 263,330.88

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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.