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Finding the Fourth Proportional to 610,547.80, 915,807.30 and 167,315.80

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Solution

The fourth proportional to 610,547.80, 915,807.30 and 167,315.80 is: 250,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,547.80 : 915,807.30 = 167,315.80 : x
  2. Step 2: Convert to fraction form
    610,547.80/915,807.30 = 167,315.80/x
  3. Step 3: Cross multiply
    610,547.80x = 915,807.30 × 167,315.80
  4. Step 4: Simplify right side
    610,547.80x = 153,229,031,045.34
  5. Step 5: Solve for x
    x = 153,229,031,045.34/610,547.80
  6. Step 6: Final answer
    x = 250,969.75

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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.