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Finding the Fourth Proportional to 590,322.90, 885,547.63 and 163,860.54

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Solution

The fourth proportional to 590,322.90, 885,547.63 and 163,860.54 is: 245,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,322.90 : 885,547.63 = 163,860.54 : x
  2. Step 2: Convert to fraction form
    590,322.90/885,547.63 = 163,860.54/x
  3. Step 3: Cross multiply
    590,322.90x = 885,547.63 × 163,860.54
  4. Step 4: Simplify right side
    590,322.90x = 145,106,309,731.54
  5. Step 5: Solve for x
    x = 145,106,309,731.54/590,322.90
  6. Step 6: Final answer
    x = 245,808.37

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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.