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Finding the Fourth Proportional to 480,740.40, 663,410.41 and 265,875.84

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Solution

The fourth proportional to 480,740.40, 663,410.41 and 265,875.84 is: 366,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,740.40 : 663,410.41 = 265,875.84 : x
  2. Step 2: Convert to fraction form
    480,740.40/663,410.41 = 265,875.84/x
  3. Step 3: Cross multiply
    480,740.40x = 663,410.41 × 265,875.84
  4. Step 4: Simplify right side
    480,740.40x = 176,384,799,358.81
  5. Step 5: Solve for x
    x = 176,384,799,358.81/480,740.40
  6. Step 6: Final answer
    x = 366,902.39

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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.