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Finding the Fourth Proportional to 456,095.99, 683,854.19 and 400,048.64

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Solution

The fourth proportional to 456,095.99, 683,854.19 and 400,048.64 is: 599,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,095.99 : 683,854.19 = 400,048.64 : x
  2. Step 2: Convert to fraction form
    456,095.99/683,854.19 = 400,048.64/x
  3. Step 3: Cross multiply
    456,095.99x = 683,854.19 × 400,048.64
  4. Step 4: Simplify right side
    456,095.99x = 273,574,933,248.29
  5. Step 5: Solve for x
    x = 273,574,933,248.29/456,095.99
  6. Step 6: Final answer
    x = 599,818.77

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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.