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Finding the Fourth Proportional to 440,550.81, 607,990.19 and 249,565.77

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Solution

The fourth proportional to 440,550.81, 607,990.19 and 249,565.77 is: 344,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,550.81 : 607,990.19 = 249,565.77 : x
  2. Step 2: Convert to fraction form
    440,550.81/607,990.19 = 249,565.77/x
  3. Step 3: Cross multiply
    440,550.81x = 607,990.19 × 249,565.77
  4. Step 4: Simplify right side
    440,550.81x = 151,733,538,671.97
  5. Step 5: Solve for x
    x = 151,733,538,671.97/440,550.81
  6. Step 6: Final answer
    x = 344,417.80

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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.