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Finding the Fourth Proportional to 657,338.16, 983,412.94 and 497,873.46

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Solution

The fourth proportional to 657,338.16, 983,412.94 and 497,873.46 is: 744,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,338.16 : 983,412.94 = 497,873.46 : x
  2. Step 2: Convert to fraction form
    657,338.16/983,412.94 = 497,873.46/x
  3. Step 3: Cross multiply
    657,338.16x = 983,412.94 × 497,873.46
  4. Step 4: Simplify right side
    657,338.16x = 489,615,203,046.57
  5. Step 5: Solve for x
    x = 489,615,203,046.57/657,338.16
  6. Step 6: Final answer
    x = 744,845.25

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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.