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Finding the Fourth Proportional to 649,368.82, 896,126.34 and 362,888.83

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Solution

The fourth proportional to 649,368.82, 896,126.34 and 362,888.83 is: 500,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,368.82 : 896,126.34 = 362,888.83 : x
  2. Step 2: Convert to fraction form
    649,368.82/896,126.34 = 362,888.83/x
  3. Step 3: Cross multiply
    649,368.82x = 896,126.34 × 362,888.83
  4. Step 4: Simplify right side
    649,368.82x = 325,194,239,054.78
  5. Step 5: Solve for x
    x = 325,194,239,054.78/649,368.82
  6. Step 6: Final answer
    x = 500,785.11

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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.