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Finding the Fourth Proportional to 607,534.60, 910,208.40 and 482,000.80

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Solution

The fourth proportional to 607,534.60, 910,208.40 and 482,000.80 is: 722,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,534.60 : 910,208.40 = 482,000.80 : x
  2. Step 2: Convert to fraction form
    607,534.60/910,208.40 = 482,000.80/x
  3. Step 3: Cross multiply
    607,534.60x = 910,208.40 × 482,000.80
  4. Step 4: Simplify right side
    607,534.60x = 438,721,176,966.72
  5. Step 5: Solve for x
    x = 438,721,176,966.72/607,534.60
  6. Step 6: Final answer
    x = 722,133.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.