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Finding the Fourth Proportional to 662,277.60, 993,416.40 and 529,417.35

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Solution

The fourth proportional to 662,277.60, 993,416.40 and 529,417.35 is: 794,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,277.60 : 993,416.40 = 529,417.35 : x
  2. Step 2: Convert to fraction form
    662,277.60/993,416.40 = 529,417.35/x
  3. Step 3: Cross multiply
    662,277.60x = 993,416.40 × 529,417.35
  4. Step 4: Simplify right side
    662,277.60x = 525,931,877,934.54
  5. Step 5: Solve for x
    x = 525,931,877,934.54/662,277.60
  6. Step 6: Final answer
    x = 794,126.03

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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.