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Finding the Fourth Proportional to 673,875.05, 929,966.74 and 367,970.85

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Solution

The fourth proportional to 673,875.05, 929,966.74 and 367,970.85 is: 507,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,875.05 : 929,966.74 = 367,970.85 : x
  2. Step 2: Convert to fraction form
    673,875.05/929,966.74 = 367,970.85/x
  3. Step 3: Cross multiply
    673,875.05x = 929,966.74 × 367,970.85
  4. Step 4: Simplify right side
    673,875.05x = 342,200,650,869.60
  5. Step 5: Solve for x
    x = 342,200,650,869.60/673,875.05
  6. Step 6: Final answer
    x = 507,810.24

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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.