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Finding the Fourth Proportional to 375,521.04, 563,316.18 and 122,802.84

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Solution

The fourth proportional to 375,521.04, 563,316.18 and 122,802.84 is: 184,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,521.04 : 563,316.18 = 122,802.84 : x
  2. Step 2: Convert to fraction form
    375,521.04/563,316.18 = 122,802.84/x
  3. Step 3: Cross multiply
    375,521.04x = 563,316.18 × 122,802.84
  4. Step 4: Simplify right side
    375,521.04x = 69,176,826,721.95
  5. Step 5: Solve for x
    x = 69,176,826,721.95/375,521.04
  6. Step 6: Final answer
    x = 184,215.58

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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.