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Finding the Fourth Proportional to 540,666.88, 810,915.10 and 180,835

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Solution

The fourth proportional to 540,666.88, 810,915.10 and 180,835 is: 271,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,666.88 : 810,915.10 = 180,835 : x
  2. Step 2: Convert to fraction form
    540,666.88/810,915.10 = 180,835/x
  3. Step 3: Cross multiply
    540,666.88x = 810,915.10 × 180,835
  4. Step 4: Simplify right side
    540,666.88x = 146,641,832,108.50
  5. Step 5: Solve for x
    x = 146,641,832,108.50/540,666.88
  6. Step 6: Final answer
    x = 271,224.00

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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.