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Finding the Fourth Proportional to 604,688.10, 834,504.03 and 346,607.98

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Solution

The fourth proportional to 604,688.10, 834,504.03 and 346,607.98 is: 478,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,688.10 : 834,504.03 = 346,607.98 : x
  2. Step 2: Convert to fraction form
    604,688.10/834,504.03 = 346,607.98/x
  3. Step 3: Cross multiply
    604,688.10x = 834,504.03 × 346,607.98
  4. Step 4: Simplify right side
    604,688.10x = 289,245,754,053.90
  5. Step 5: Solve for x
    x = 289,245,754,053.90/604,688.10
  6. Step 6: Final answer
    x = 478,338.76

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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.