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Finding the Fourth Proportional to 468,292.34, 646,245.27 and 253,432.35

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Solution

The fourth proportional to 468,292.34, 646,245.27 and 253,432.35 is: 349,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,292.34 : 646,245.27 = 253,432.35 : x
  2. Step 2: Convert to fraction form
    468,292.34/646,245.27 = 253,432.35/x
  3. Step 3: Cross multiply
    468,292.34x = 646,245.27 × 253,432.35
  4. Step 4: Simplify right side
    468,292.34x = 163,779,457,452.49
  5. Step 5: Solve for x
    x = 163,779,457,452.49/468,292.34
  6. Step 6: Final answer
    x = 349,737.64

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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.