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Finding the Fourth Proportional to 307,204.44, 423,590.94 and 249,686.34

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Solution

The fourth proportional to 307,204.44, 423,590.94 and 249,686.34 is: 344,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,204.44 : 423,590.94 = 249,686.34 : x
  2. Step 2: Convert to fraction form
    307,204.44/423,590.94 = 249,686.34/x
  3. Step 3: Cross multiply
    307,204.44x = 423,590.94 × 249,686.34
  4. Step 4: Simplify right side
    307,204.44x = 105,764,871,465.76
  5. Step 5: Solve for x
    x = 105,764,871,465.76/307,204.44
  6. Step 6: Final answer
    x = 344,281.72

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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.