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Finding the Fourth Proportional to 438,064.02, 604,492.02 and 247,124.34

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Solution

The fourth proportional to 438,064.02, 604,492.02 and 247,124.34 is: 341,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,064.02 : 604,492.02 = 247,124.34 : x
  2. Step 2: Convert to fraction form
    438,064.02/604,492.02 = 247,124.34/x
  3. Step 3: Cross multiply
    438,064.02x = 604,492.02 × 247,124.34
  4. Step 4: Simplify right side
    438,064.02x = 149,384,691,477.77
  5. Step 5: Solve for x
    x = 149,384,691,477.77/438,064.02
  6. Step 6: Final answer
    x = 341,011.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.