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Finding the Fourth Proportional to 477,352.58, 658,724 and 262,501.70

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Solution

The fourth proportional to 477,352.58, 658,724 and 262,501.70 is: 362,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,352.58 : 658,724 = 262,501.70 : x
  2. Step 2: Convert to fraction form
    477,352.58/658,724 = 262,501.70/x
  3. Step 3: Cross multiply
    477,352.58x = 658,724 × 262,501.70
  4. Step 4: Simplify right side
    477,352.58x = 172,916,169,830.80
  5. Step 5: Solve for x
    x = 172,916,169,830.80/477,352.58
  6. Step 6: Final answer
    x = 362,239.94

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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.