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Finding the Fourth Proportional to 440,406.85, 607,808.50 and 249,428.29

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Solution

The fourth proportional to 440,406.85, 607,808.50 and 249,428.29 is: 344,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,406.85 : 607,808.50 = 249,428.29 : x
  2. Step 2: Convert to fraction form
    440,406.85/607,808.50 = 249,428.29/x
  3. Step 3: Cross multiply
    440,406.85x = 607,808.50 × 249,428.29
  4. Step 4: Simplify right side
    440,406.85x = 151,604,634,802.47
  5. Step 5: Solve for x
    x = 151,604,634,802.47/440,406.85
  6. Step 6: Final answer
    x = 344,237.69

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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.