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Finding the Fourth Proportional to 407,063.52, 610,556.40 and 249,210.72

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Solution

The fourth proportional to 407,063.52, 610,556.40 and 249,210.72 is: 373,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,063.52 : 610,556.40 = 249,210.72 : x
  2. Step 2: Convert to fraction form
    407,063.52/610,556.40 = 249,210.72/x
  3. Step 3: Cross multiply
    407,063.52x = 610,556.40 × 249,210.72
  4. Step 4: Simplify right side
    407,063.52x = 152,157,200,044.61
  5. Step 5: Solve for x
    x = 152,157,200,044.61/407,063.52
  6. Step 6: Final answer
    x = 373,792.28

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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.