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Finding the Fourth Proportional to 374,803.04, 517,228.16 and 205,038.40

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Solution

The fourth proportional to 374,803.04, 517,228.16 and 205,038.40 is: 282,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,803.04 : 517,228.16 = 205,038.40 : x
  2. Step 2: Convert to fraction form
    374,803.04/517,228.16 = 205,038.40/x
  3. Step 3: Cross multiply
    374,803.04x = 517,228.16 × 205,038.40
  4. Step 4: Simplify right side
    374,803.04x = 106,051,634,361.34
  5. Step 5: Solve for x
    x = 106,051,634,361.34/374,803.04
  6. Step 6: Final answer
    x = 282,952.97

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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.