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Finding the Fourth Proportional to 560,747.14, 840,259.26 and 380,598.28

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Solution

The fourth proportional to 560,747.14, 840,259.26 and 380,598.28 is: 570,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,747.14 : 840,259.26 = 380,598.28 : x
  2. Step 2: Convert to fraction form
    560,747.14/840,259.26 = 380,598.28/x
  3. Step 3: Cross multiply
    560,747.14x = 840,259.26 × 380,598.28
  4. Step 4: Simplify right side
    560,747.14x = 319,801,229,110.07
  5. Step 5: Solve for x
    x = 319,801,229,110.07/560,747.14
  6. Step 6: Final answer
    x = 570,312.72

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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.