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Finding the Fourth Proportional to 651,466.80, 977,167.80 and 335,955.60

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Solution

The fourth proportional to 651,466.80, 977,167.80 and 335,955.60 is: 503,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,466.80 : 977,167.80 = 335,955.60 : x
  2. Step 2: Convert to fraction form
    651,466.80/977,167.80 = 335,955.60/x
  3. Step 3: Cross multiply
    651,466.80x = 977,167.80 × 335,955.60
  4. Step 4: Simplify right side
    651,466.80x = 328,284,994,549.68
  5. Step 5: Solve for x
    x = 328,284,994,549.68/651,466.80
  6. Step 6: Final answer
    x = 503,916.69

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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.