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Finding the Fourth Proportional to 430,362.99, 593,973 and 249,043.68

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Solution

The fourth proportional to 430,362.99, 593,973 and 249,043.68 is: 343,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,362.99 : 593,973 = 249,043.68 : x
  2. Step 2: Convert to fraction form
    430,362.99/593,973 = 249,043.68/x
  3. Step 3: Cross multiply
    430,362.99x = 593,973 × 249,043.68
  4. Step 4: Simplify right side
    430,362.99x = 147,925,221,740.64
  5. Step 5: Solve for x
    x = 147,925,221,740.64/430,362.99
  6. Step 6: Final answer
    x = 343,721.99

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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.