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Finding the Fourth Proportional to 977,483.60, 1,467,537.60 and 624,064.40

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Solution

The fourth proportional to 977,483.60, 1,467,537.60 and 624,064.40 is: 936,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,483.60 : 1,467,537.60 = 624,064.40 : x
  2. Step 2: Convert to fraction form
    977,483.60/1,467,537.60 = 624,064.40/x
  3. Step 3: Cross multiply
    977,483.60x = 1,467,537.60 × 624,064.40
  4. Step 4: Simplify right side
    977,483.60x = 915,837,971,821.44
  5. Step 5: Solve for x
    x = 915,837,971,821.44/977,483.60
  6. Step 6: Final answer
    x = 936,934.36

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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.