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Finding the Fourth Proportional to 604,401.84, 834,135.66 and 346,312.98

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Solution

The fourth proportional to 604,401.84, 834,135.66 and 346,312.98 is: 477,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,401.84 : 834,135.66 = 346,312.98 : x
  2. Step 2: Convert to fraction form
    604,401.84/834,135.66 = 346,312.98/x
  3. Step 3: Cross multiply
    604,401.84x = 834,135.66 × 346,312.98
  4. Step 4: Simplify right side
    604,401.84x = 288,872,006,138.87
  5. Step 5: Solve for x
    x = 288,872,006,138.87/604,401.84
  6. Step 6: Final answer
    x = 477,946.93

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1.5x scale

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.