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Finding the Fourth Proportional to 385,901.34, 532,545.48 and 224,866.86

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Solution

The fourth proportional to 385,901.34, 532,545.48 and 224,866.86 is: 310,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,901.34 : 532,545.48 = 224,866.86 : x
  2. Step 2: Convert to fraction form
    385,901.34/532,545.48 = 224,866.86/x
  3. Step 3: Cross multiply
    385,901.34x = 532,545.48 × 224,866.86
  4. Step 4: Simplify right side
    385,901.34x = 119,751,829,894.79
  5. Step 5: Solve for x
    x = 119,751,829,894.79/385,901.34
  6. Step 6: Final answer
    x = 310,317.22

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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.