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Finding the Fourth Proportional to 425,703.12, 586,859.94 and 334,901.40

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Solution

The fourth proportional to 425,703.12, 586,859.94 and 334,901.40 is: 461,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,703.12 : 586,859.94 = 334,901.40 : x
  2. Step 2: Convert to fraction form
    425,703.12/586,859.94 = 334,901.40/x
  3. Step 3: Cross multiply
    425,703.12x = 586,859.94 × 334,901.40
  4. Step 4: Simplify right side
    425,703.12x = 196,540,215,509.92
  5. Step 5: Solve for x
    x = 196,540,215,509.92/425,703.12
  6. Step 6: Final answer
    x = 461,683.76

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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.