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Finding the Fourth Proportional to 553,777.60, 830,666.40 and 465,204.10

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Solution

The fourth proportional to 553,777.60, 830,666.40 and 465,204.10 is: 697,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,777.60 : 830,666.40 = 465,204.10 : x
  2. Step 2: Convert to fraction form
    553,777.60/830,666.40 = 465,204.10/x
  3. Step 3: Cross multiply
    553,777.60x = 830,666.40 × 465,204.10
  4. Step 4: Simplify right side
    553,777.60x = 386,429,415,012.24
  5. Step 5: Solve for x
    x = 386,429,415,012.24/553,777.60
  6. Step 6: Final answer
    x = 697,806.15

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Similar ratio
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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.