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Finding the Fourth Proportional to 508,925.68, 763,599.84 and 256,071.16

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Solution

The fourth proportional to 508,925.68, 763,599.84 and 256,071.16 is: 384,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,925.68 : 763,599.84 = 256,071.16 : x
  2. Step 2: Convert to fraction form
    508,925.68/763,599.84 = 256,071.16/x
  3. Step 3: Cross multiply
    508,925.68x = 763,599.84 × 256,071.16
  4. Step 4: Simplify right side
    508,925.68x = 195,535,896,804.61
  5. Step 5: Solve for x
    x = 195,535,896,804.61/508,925.68
  6. Step 6: Final answer
    x = 384,213.07

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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.