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Finding the Fourth Proportional to 693,237.50, 956,503.77 and 402,676.46

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Solution

The fourth proportional to 693,237.50, 956,503.77 and 402,676.46 is: 555,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,237.50 : 956,503.77 = 402,676.46 : x
  2. Step 2: Convert to fraction form
    693,237.50/956,503.77 = 402,676.46/x
  3. Step 3: Cross multiply
    693,237.50x = 956,503.77 × 402,676.46
  4. Step 4: Simplify right side
    693,237.50x = 385,161,552,080.25
  5. Step 5: Solve for x
    x = 385,161,552,080.25/693,237.50
  6. Step 6: Final answer
    x = 555,598.26

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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.