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Finding the Fourth Proportional to 233,261.40, 349,308.90 and 153,946.20

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Solution

The fourth proportional to 233,261.40, 349,308.90 and 153,946.20 is: 230,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,261.40 : 349,308.90 = 153,946.20 : x
  2. Step 2: Convert to fraction form
    233,261.40/349,308.90 = 153,946.20/x
  3. Step 3: Cross multiply
    233,261.40x = 349,308.90 × 153,946.20
  4. Step 4: Simplify right side
    233,261.40x = 53,774,777,781.18
  5. Step 5: Solve for x
    x = 53,774,777,781.18/233,261.40
  6. Step 6: Final answer
    x = 230,534.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.