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Finding the Fourth Proportional to 604,903.40, 834,846.20 and 346,881.32

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Solution

The fourth proportional to 604,903.40, 834,846.20 and 346,881.32 is: 478,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,903.40 : 834,846.20 = 346,881.32 : x
  2. Step 2: Convert to fraction form
    604,903.40/834,846.20 = 346,881.32/x
  3. Step 3: Cross multiply
    604,903.40x = 834,846.20 × 346,881.32
  4. Step 4: Simplify right side
    604,903.40x = 289,592,551,852.98
  5. Step 5: Solve for x
    x = 289,592,551,852.98/604,903.40
  6. Step 6: Final answer
    x = 478,741.82

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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.