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Finding the Fourth Proportional to 440,554.82, 607,995.70 and 249,569.78

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Solution

The fourth proportional to 440,554.82, 607,995.70 and 249,569.78 is: 344,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,554.82 : 607,995.70 = 249,569.78 : x
  2. Step 2: Convert to fraction form
    440,554.82/607,995.70 = 249,569.78/x
  3. Step 3: Cross multiply
    440,554.82x = 607,995.70 × 249,569.78
  4. Step 4: Simplify right side
    440,554.82x = 151,737,353,089.95
  5. Step 5: Solve for x
    x = 151,737,353,089.95/440,554.82
  6. Step 6: Final answer
    x = 344,423.32

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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.