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Finding the Fourth Proportional to 569,905.02, 786,465.72 and 315,250.74

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Solution

The fourth proportional to 569,905.02, 786,465.72 and 315,250.74 is: 435,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,905.02 : 786,465.72 = 315,250.74 : x
  2. Step 2: Convert to fraction form
    569,905.02/786,465.72 = 315,250.74/x
  3. Step 3: Cross multiply
    569,905.02x = 786,465.72 × 315,250.74
  4. Step 4: Simplify right side
    569,905.02x = 247,933,900,214.63
  5. Step 5: Solve for x
    x = 247,933,900,214.63/569,905.02
  6. Step 6: Final answer
    x = 435,044.25

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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.