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Finding the Fourth Proportional to 604,560.15, 834,412.32 and 346,610.40

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Solution

The fourth proportional to 604,560.15, 834,412.32 and 346,610.40 is: 478,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,560.15 : 834,412.32 = 346,610.40 : x
  2. Step 2: Convert to fraction form
    604,560.15/834,412.32 = 346,610.40/x
  3. Step 3: Cross multiply
    604,560.15x = 834,412.32 × 346,610.40
  4. Step 4: Simplify right side
    604,560.15x = 289,215,988,000.13
  5. Step 5: Solve for x
    x = 289,215,988,000.13/604,560.15
  6. Step 6: Final answer
    x = 478,390.76

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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.