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Finding the Fourth Proportional to 722,587.52, 997,284.48 and 436,148.48

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Solution

The fourth proportional to 722,587.52, 997,284.48 and 436,148.48 is: 601,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,587.52 : 997,284.48 = 436,148.48 : x
  2. Step 2: Convert to fraction form
    722,587.52/997,284.48 = 436,148.48/x
  3. Step 3: Cross multiply
    722,587.52x = 997,284.48 × 436,148.48
  4. Step 4: Simplify right side
    722,587.52x = 434,964,110,079.59
  5. Step 5: Solve for x
    x = 434,964,110,079.59/722,587.52
  6. Step 6: Final answer
    x = 601,953.53

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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.