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Finding the Fourth Proportional to 480,391.69, 662,953.93 and 265,545.57

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Solution

The fourth proportional to 480,391.69, 662,953.93 and 265,545.57 is: 366,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,391.69 : 662,953.93 = 265,545.57 : x
  2. Step 2: Convert to fraction form
    480,391.69/662,953.93 = 265,545.57/x
  3. Step 3: Cross multiply
    480,391.69x = 662,953.93 × 265,545.57
  4. Step 4: Simplify right side
    480,391.69x = 176,044,478,561.73
  5. Step 5: Solve for x
    x = 176,044,478,561.73/480,391.69
  6. Step 6: Final answer
    x = 366,460.29

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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.