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Finding the Fourth Proportional to 435,701.60, 651,802.80 and 377,187.20

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Solution

The fourth proportional to 435,701.60, 651,802.80 and 377,187.20 is: 564,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,701.60 : 651,802.80 = 377,187.20 : x
  2. Step 2: Convert to fraction form
    435,701.60/651,802.80 = 377,187.20/x
  3. Step 3: Cross multiply
    435,701.60x = 651,802.80 × 377,187.20
  4. Step 4: Simplify right side
    435,701.60x = 245,851,673,084.16
  5. Step 5: Solve for x
    x = 245,851,673,084.16/435,701.60
  6. Step 6: Final answer
    x = 564,266.17

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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.