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Finding the Fourth Proportional to 292,553.52, 438,830.30 and 70,937.52

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Solution

The fourth proportional to 292,553.52, 438,830.30 and 70,937.52 is: 106,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,553.52 : 438,830.30 = 70,937.52 : x
  2. Step 2: Convert to fraction form
    292,553.52/438,830.30 = 70,937.52/x
  3. Step 3: Cross multiply
    292,553.52x = 438,830.30 × 70,937.52
  4. Step 4: Simplify right side
    292,553.52x = 31,129,533,182.86
  5. Step 5: Solve for x
    x = 31,129,533,182.86/292,553.52
  6. Step 6: Final answer
    x = 106,406.28

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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.