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Finding the Fourth Proportional to 510,253.16, 704,235.64 and 295,523.76

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Solution

The fourth proportional to 510,253.16, 704,235.64 and 295,523.76 is: 407,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,253.16 : 704,235.64 = 295,523.76 : x
  2. Step 2: Convert to fraction form
    510,253.16/704,235.64 = 295,523.76/x
  3. Step 3: Cross multiply
    510,253.16x = 704,235.64 × 295,523.76
  4. Step 4: Simplify right side
    510,253.16x = 208,118,364,258.81
  5. Step 5: Solve for x
    x = 208,118,364,258.81/510,253.16
  6. Step 6: Final answer
    x = 407,872.76

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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.