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Finding the Fourth Proportional to 450,394.83, 621,535.28 and 246,444.93

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Solution

The fourth proportional to 450,394.83, 621,535.28 and 246,444.93 is: 340,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,394.83 : 621,535.28 = 246,444.93 : x
  2. Step 2: Convert to fraction form
    450,394.83/621,535.28 = 246,444.93/x
  3. Step 3: Cross multiply
    450,394.83x = 621,535.28 × 246,444.93
  4. Step 4: Simplify right side
    450,394.83x = 153,174,217,339.91
  5. Step 5: Solve for x
    x = 153,174,217,339.91/450,394.83
  6. Step 6: Final answer
    x = 340,088.76

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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.