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Finding the Fourth Proportional to 430,307.36, 593,726.16 and 249,014.72

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Solution

The fourth proportional to 430,307.36, 593,726.16 and 249,014.72 is: 343,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,307.36 : 593,726.16 = 249,014.72 : x
  2. Step 2: Convert to fraction form
    430,307.36/593,726.16 = 249,014.72/x
  3. Step 3: Cross multiply
    430,307.36x = 593,726.16 × 249,014.72
  4. Step 4: Simplify right side
    430,307.36x = 147,846,553,489.08
  5. Step 5: Solve for x
    x = 147,846,553,489.08/430,307.36
  6. Step 6: Final answer
    x = 343,583.60

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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.