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Finding the Fourth Proportional to 543,587.34, 749,888.91 and 352,660.62

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Solution

The fourth proportional to 543,587.34, 749,888.91 and 352,660.62 is: 486,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,587.34 : 749,888.91 = 352,660.62 : x
  2. Step 2: Convert to fraction form
    543,587.34/749,888.91 = 352,660.62/x
  3. Step 3: Cross multiply
    543,587.34x = 749,888.91 × 352,660.62
  4. Step 4: Simplify right side
    543,587.34x = 264,456,287,931.72
  5. Step 5: Solve for x
    x = 264,456,287,931.72/543,587.34
  6. Step 6: Final answer
    x = 486,501.93

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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.