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Finding the Fourth Proportional to 604,892.40, 834,831 and 346,870.32

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Solution

The fourth proportional to 604,892.40, 834,831 and 346,870.32 is: 478,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,892.40 : 834,831 = 346,870.32 : x
  2. Step 2: Convert to fraction form
    604,892.40/834,831 = 346,870.32/x
  3. Step 3: Cross multiply
    604,892.40x = 834,831 × 346,870.32
  4. Step 4: Simplify right side
    604,892.40x = 289,578,096,115.92
  5. Step 5: Solve for x
    x = 289,578,096,115.92/604,892.40
  6. Step 6: Final answer
    x = 478,726.62

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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.