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Finding the Fourth Proportional to 536,669.15, 740,330.48 and 409,123.31

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Solution

The fourth proportional to 536,669.15, 740,330.48 and 409,123.31 is: 564,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,669.15 : 740,330.48 = 409,123.31 : x
  2. Step 2: Convert to fraction form
    536,669.15/740,330.48 = 409,123.31/x
  3. Step 3: Cross multiply
    536,669.15x = 740,330.48 × 409,123.31
  4. Step 4: Simplify right side
    536,669.15x = 302,886,453,792.65
  5. Step 5: Solve for x
    x = 302,886,453,792.65/536,669.15
  6. Step 6: Final answer
    x = 564,382.09

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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.