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Finding the Fourth Proportional to 564,714.38, 779,316.99 and 310,063.34

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Solution

The fourth proportional to 564,714.38, 779,316.99 and 310,063.34 is: 427,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,714.38 : 779,316.99 = 310,063.34 : x
  2. Step 2: Convert to fraction form
    564,714.38/779,316.99 = 310,063.34/x
  3. Step 3: Cross multiply
    564,714.38x = 779,316.99 × 310,063.34
  4. Step 4: Simplify right side
    564,714.38x = 241,637,628,838.15
  5. Step 5: Solve for x
    x = 241,637,628,838.15/564,714.38
  6. Step 6: Final answer
    x = 427,893.53

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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.