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Finding the Fourth Proportional to 480,023.51, 720,319.32 and 176,630.71

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Solution

The fourth proportional to 480,023.51, 720,319.32 and 176,630.71 is: 265,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,023.51 : 720,319.32 = 176,630.71 : x
  2. Step 2: Convert to fraction form
    480,023.51/720,319.32 = 176,630.71/x
  3. Step 3: Cross multiply
    480,023.51x = 720,319.32 × 176,630.71
  4. Step 4: Simplify right side
    480,023.51x = 127,230,511,117.52
  5. Step 5: Solve for x
    x = 127,230,511,117.52/480,023.51
  6. Step 6: Final answer
    x = 265,050.59

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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.