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Finding the Fourth Proportional to 544,810.56, 817,213.12 and 140,002.40

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Solution

The fourth proportional to 544,810.56, 817,213.12 and 140,002.40 is: 210,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,810.56 : 817,213.12 = 140,002.40 : x
  2. Step 2: Convert to fraction form
    544,810.56/817,213.12 = 140,002.40/x
  3. Step 3: Cross multiply
    544,810.56x = 817,213.12 × 140,002.40
  4. Step 4: Simplify right side
    544,810.56x = 114,411,798,111.49
  5. Step 5: Solve for x
    x = 114,411,798,111.49/544,810.56
  6. Step 6: Final answer
    x = 210,002.90

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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.