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Finding the Fourth Proportional to 402,484.75, 555,307.71 and 241,280.98

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Solution

The fourth proportional to 402,484.75, 555,307.71 and 241,280.98 is: 332,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,484.75 : 555,307.71 = 241,280.98 : x
  2. Step 2: Convert to fraction form
    402,484.75/555,307.71 = 241,280.98/x
  3. Step 3: Cross multiply
    402,484.75x = 555,307.71 × 241,280.98
  4. Step 4: Simplify right side
    402,484.75x = 133,985,188,470.36
  5. Step 5: Solve for x
    x = 133,985,188,470.36/402,484.75
  6. Step 6: Final answer
    x = 332,895.07

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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.