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Finding the Fourth Proportional to 469,009.11, 700,117.62 and 412,258.89

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Solution

The fourth proportional to 469,009.11, 700,117.62 and 412,258.89 is: 615,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,009.11 : 700,117.62 = 412,258.89 : x
  2. Step 2: Convert to fraction form
    469,009.11/700,117.62 = 412,258.89/x
  3. Step 3: Cross multiply
    469,009.11x = 700,117.62 × 412,258.89
  4. Step 4: Simplify right side
    469,009.11x = 288,629,712,890.64
  5. Step 5: Solve for x
    x = 288,629,712,890.64/469,009.11
  6. Step 6: Final answer
    x = 615,403.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.