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Finding the Fourth Proportional to 578,547.56, 864,302.96 and 374,481.17

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Solution

The fourth proportional to 578,547.56, 864,302.96 and 374,481.17 is: 559,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,547.56 : 864,302.96 = 374,481.17 : x
  2. Step 2: Convert to fraction form
    578,547.56/864,302.96 = 374,481.17/x
  3. Step 3: Cross multiply
    578,547.56x = 864,302.96 × 374,481.17
  4. Step 4: Simplify right side
    578,547.56x = 323,665,177,501.34
  5. Step 5: Solve for x
    x = 323,665,177,501.34/578,547.56
  6. Step 6: Final answer
    x = 559,444.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.