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Finding the Fourth Proportional to 651,607.40, 977,459.70 and 230,828.60

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Solution

The fourth proportional to 651,607.40, 977,459.70 and 230,828.60 is: 346,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,607.40 : 977,459.70 = 230,828.60 : x
  2. Step 2: Convert to fraction form
    651,607.40/977,459.70 = 230,828.60/x
  3. Step 3: Cross multiply
    651,607.40x = 977,459.70 × 230,828.60
  4. Step 4: Simplify right side
    651,607.40x = 225,625,654,107.42
  5. Step 5: Solve for x
    x = 225,625,654,107.42/651,607.40
  6. Step 6: Final answer
    x = 346,260.12

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Double scale
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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.