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Finding the Fourth Proportional to 255,307.92, 352,333.64 and 146,430.96

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Solution

The fourth proportional to 255,307.92, 352,333.64 and 146,430.96 is: 202,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,307.92 : 352,333.64 = 146,430.96 : x
  2. Step 2: Convert to fraction form
    255,307.92/352,333.64 = 146,430.96/x
  3. Step 3: Cross multiply
    255,307.92x = 352,333.64 × 146,430.96
  4. Step 4: Simplify right side
    255,307.92x = 51,592,553,145.49
  5. Step 5: Solve for x
    x = 51,592,553,145.49/255,307.92
  6. Step 6: Final answer
    x = 202,079.72

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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.