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Finding the Fourth Proportional to 604,565.78, 834,420.08 and 346,616.01

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Solution

The fourth proportional to 604,565.78, 834,420.08 and 346,616.01 is: 478,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,565.78 : 834,420.08 = 346,616.01 : x
  2. Step 2: Convert to fraction form
    604,565.78/834,420.08 = 346,616.01/x
  3. Step 3: Cross multiply
    604,565.78x = 834,420.08 × 346,616.01
  4. Step 4: Simplify right side
    604,565.78x = 289,223,359,660.02
  5. Step 5: Solve for x
    x = 289,223,359,660.02/604,565.78
  6. Step 6: Final answer
    x = 478,398.50

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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.