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Finding the Fourth Proportional to 510,876.24, 766,312.20 and 155,889.06

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Solution

The fourth proportional to 510,876.24, 766,312.20 and 155,889.06 is: 233,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,876.24 : 766,312.20 = 155,889.06 : x
  2. Step 2: Convert to fraction form
    510,876.24/766,312.20 = 155,889.06/x
  3. Step 3: Cross multiply
    510,876.24x = 766,312.20 × 155,889.06
  4. Step 4: Simplify right side
    510,876.24x = 119,459,688,524.53
  5. Step 5: Solve for x
    x = 119,459,688,524.53/510,876.24
  6. Step 6: Final answer
    x = 233,832.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.