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Finding the Fourth Proportional to 261,218.76, 360,503.37 and 146,495.22

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Solution

The fourth proportional to 261,218.76, 360,503.37 and 146,495.22 is: 202,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,218.76 : 360,503.37 = 146,495.22 : x
  2. Step 2: Convert to fraction form
    261,218.76/360,503.37 = 146,495.22/x
  3. Step 3: Cross multiply
    261,218.76x = 360,503.37 × 146,495.22
  4. Step 4: Simplify right side
    261,218.76x = 52,812,020,498.89
  5. Step 5: Solve for x
    x = 52,812,020,498.89/261,218.76
  6. Step 6: Final answer
    x = 202,175.45

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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.