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Finding the Fourth Proportional to 294,551.02, 406,720.08 and 240,111.72

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Solution

The fourth proportional to 294,551.02, 406,720.08 and 240,111.72 is: 331,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,551.02 : 406,720.08 = 240,111.72 : x
  2. Step 2: Convert to fraction form
    294,551.02/406,720.08 = 240,111.72/x
  3. Step 3: Cross multiply
    294,551.02x = 406,720.08 × 240,111.72
  4. Step 4: Simplify right side
    294,551.02x = 97,658,257,967.34
  5. Step 5: Solve for x
    x = 97,658,257,967.34/294,551.02
  6. Step 6: Final answer
    x = 331,549.55

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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.