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Finding the Fourth Proportional to 569,946.96, 786,549.96 and 315,293.76

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Solution

The fourth proportional to 569,946.96, 786,549.96 and 315,293.76 is: 435,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,946.96 : 786,549.96 = 315,293.76 : x
  2. Step 2: Convert to fraction form
    569,946.96/786,549.96 = 315,293.76/x
  3. Step 3: Cross multiply
    569,946.96x = 786,549.96 × 315,293.76
  4. Step 4: Simplify right side
    569,946.96x = 247,994,294,316.25
  5. Step 5: Solve for x
    x = 247,994,294,316.25/569,946.96
  6. Step 6: Final answer
    x = 435,118.20

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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.