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Finding the Fourth Proportional to 569,693.40, 786,182.04 and 315,048.84

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Solution

The fourth proportional to 569,693.40, 786,182.04 and 315,048.84 is: 434,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,693.40 : 786,182.04 = 315,048.84 : x
  2. Step 2: Convert to fraction form
    569,693.40/786,182.04 = 315,048.84/x
  3. Step 3: Cross multiply
    569,693.40x = 786,182.04 × 315,048.84
  4. Step 4: Simplify right side
    569,693.40x = 247,685,739,730.83
  5. Step 5: Solve for x
    x = 247,685,739,730.83/569,693.40
  6. Step 6: Final answer
    x = 434,770.25

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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.