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Finding the Fourth Proportional to 520,036.08, 717,666.12 and 293,696.16

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Solution

The fourth proportional to 520,036.08, 717,666.12 and 293,696.16 is: 405,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,036.08 : 717,666.12 = 293,696.16 : x
  2. Step 2: Convert to fraction form
    520,036.08/717,666.12 = 293,696.16/x
  3. Step 3: Cross multiply
    520,036.08x = 717,666.12 × 293,696.16
  4. Step 4: Simplify right side
    520,036.08x = 210,775,783,606.10
  5. Step 5: Solve for x
    x = 210,775,783,606.10/520,036.08
  6. Step 6: Final answer
    x = 405,309.92

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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.