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Finding the Fourth Proportional to 440,466.19, 607,833.15 and 256,693.06

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Solution

The fourth proportional to 440,466.19, 607,833.15 and 256,693.06 is: 354,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,466.19 : 607,833.15 = 256,693.06 : x
  2. Step 2: Convert to fraction form
    440,466.19/607,833.15 = 256,693.06/x
  3. Step 3: Cross multiply
    440,466.19x = 607,833.15 × 256,693.06
  4. Step 4: Simplify right side
    440,466.19x = 156,026,551,242.94
  5. Step 5: Solve for x
    x = 156,026,551,242.94/440,466.19
  6. Step 6: Final answer
    x = 354,230.48

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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.