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Finding the Fourth Proportional to 459,591.33, 634,236.01 and 258,387.33

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Solution

The fourth proportional to 459,591.33, 634,236.01 and 258,387.33 is: 356,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,591.33 : 634,236.01 = 258,387.33 : x
  2. Step 2: Convert to fraction form
    459,591.33/634,236.01 = 258,387.33/x
  3. Step 3: Cross multiply
    459,591.33x = 634,236.01 × 258,387.33
  4. Step 4: Simplify right side
    459,591.33x = 163,878,547,921.82
  5. Step 5: Solve for x
    x = 163,878,547,921.82/459,591.33
  6. Step 6: Final answer
    x = 356,574.50

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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.