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Finding the Fourth Proportional to 464,350.03, 640,810.38 and 260,446.30

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Solution

The fourth proportional to 464,350.03, 640,810.38 and 260,446.30 is: 359,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,350.03 : 640,810.38 = 260,446.30 : x
  2. Step 2: Convert to fraction form
    464,350.03/640,810.38 = 260,446.30/x
  3. Step 3: Cross multiply
    464,350.03x = 640,810.38 × 260,446.30
  4. Step 4: Simplify right side
    464,350.03x = 166,896,692,472.59
  5. Step 5: Solve for x
    x = 166,896,692,472.59/464,350.03
  6. Step 6: Final answer
    x = 359,420.01

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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.