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Finding the Fourth Proportional to 705,951.72, 973,848.42 and 437,213.16

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Solution

The fourth proportional to 705,951.72, 973,848.42 and 437,213.16 is: 603,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,951.72 : 973,848.42 = 437,213.16 : x
  2. Step 2: Convert to fraction form
    705,951.72/973,848.42 = 437,213.16/x
  3. Step 3: Cross multiply
    705,951.72x = 973,848.42 × 437,213.16
  4. Step 4: Simplify right side
    705,951.72x = 425,779,345,069.21
  5. Step 5: Solve for x
    x = 425,779,345,069.21/705,951.72
  6. Step 6: Final answer
    x = 603,128.14

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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.