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Finding the Fourth Proportional to 569,557.85, 786,005.60 and 314,918.15

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Solution

The fourth proportional to 569,557.85, 786,005.60 and 314,918.15 is: 434,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,557.85 : 786,005.60 = 314,918.15 : x
  2. Step 2: Convert to fraction form
    569,557.85/786,005.60 = 314,918.15/x
  3. Step 3: Cross multiply
    569,557.85x = 786,005.60 × 314,918.15
  4. Step 4: Simplify right side
    569,557.85x = 247,527,423,937.02
  5. Step 5: Solve for x
    x = 247,527,423,937.02/569,557.85
  6. Step 6: Final answer
    x = 434,595.76

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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.