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Finding the Fourth Proportional to 616,122.40, 924,280.80 and 195,440.80

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Solution

The fourth proportional to 616,122.40, 924,280.80 and 195,440.80 is: 293,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,122.40 : 924,280.80 = 195,440.80 : x
  2. Step 2: Convert to fraction form
    616,122.40/924,280.80 = 195,440.80/x
  3. Step 3: Cross multiply
    616,122.40x = 924,280.80 × 195,440.80
  4. Step 4: Simplify right side
    616,122.40x = 180,642,178,976.64
  5. Step 5: Solve for x
    x = 180,642,178,976.64/616,122.40
  6. Step 6: Final answer
    x = 293,192.03

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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.