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Finding the Fourth Proportional to 651,528.47, 899,108.69 and 365,050.61

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Solution

The fourth proportional to 651,528.47, 899,108.69 and 365,050.61 is: 503,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,528.47 : 899,108.69 = 365,050.61 : x
  2. Step 2: Convert to fraction form
    651,528.47/899,108.69 = 365,050.61/x
  3. Step 3: Cross multiply
    651,528.47x = 899,108.69 × 365,050.61
  4. Step 4: Simplify right side
    651,528.47x = 328,220,172,791.66
  5. Step 5: Solve for x
    x = 328,220,172,791.66/651,528.47
  6. Step 6: Final answer
    x = 503,769.50

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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.