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Finding the Fourth Proportional to 411,123.54, 616,521.79 and 158,263.62

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Solution

The fourth proportional to 411,123.54, 616,521.79 and 158,263.62 is: 237,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,123.54 : 616,521.79 = 158,263.62 : x
  2. Step 2: Convert to fraction form
    411,123.54/616,521.79 = 158,263.62/x
  3. Step 3: Cross multiply
    411,123.54x = 616,521.79 × 158,263.62
  4. Step 4: Simplify right side
    411,123.54x = 97,572,971,870.65
  5. Step 5: Solve for x
    x = 97,572,971,870.65/411,123.54
  6. Step 6: Final answer
    x = 237,332.49

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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.