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Finding the Fourth Proportional to 545,746.88, 753,153.30 and 304,029.32

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Solution

The fourth proportional to 545,746.88, 753,153.30 and 304,029.32 is: 419,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,746.88 : 753,153.30 = 304,029.32 : x
  2. Step 2: Convert to fraction form
    545,746.88/753,153.30 = 304,029.32/x
  3. Step 3: Cross multiply
    545,746.88x = 753,153.30 × 304,029.32
  4. Step 4: Simplify right side
    545,746.88x = 228,980,685,654.76
  5. Step 5: Solve for x
    x = 228,980,685,654.76/545,746.88
  6. Step 6: Final answer
    x = 419,573.05

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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.