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Finding the Fourth Proportional to 501,795.54, 692,457.57 and 300,702.42

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Solution

The fourth proportional to 501,795.54, 692,457.57 and 300,702.42 is: 414,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,795.54 : 692,457.57 = 300,702.42 : x
  2. Step 2: Convert to fraction form
    501,795.54/692,457.57 = 300,702.42/x
  3. Step 3: Cross multiply
    501,795.54x = 692,457.57 × 300,702.42
  4. Step 4: Simplify right side
    501,795.54x = 208,223,667,046.32
  5. Step 5: Solve for x
    x = 208,223,667,046.32/501,795.54
  6. Step 6: Final answer
    x = 414,957.19

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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.