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Finding the Fourth Proportional to 651,262.63, 975,712.95 and 637,090.87

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Solution

The fourth proportional to 651,262.63, 975,712.95 and 637,090.87 is: 954,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,262.63 : 975,712.95 = 637,090.87 : x
  2. Step 2: Convert to fraction form
    651,262.63/975,712.95 = 637,090.87/x
  3. Step 3: Cross multiply
    651,262.63x = 975,712.95 × 637,090.87
  4. Step 4: Simplify right side
    651,262.63x = 621,617,812,185.77
  5. Step 5: Solve for x
    x = 621,617,812,185.77/651,262.63
  6. Step 6: Final answer
    x = 954,481.01

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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.