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Finding the Fourth Proportional to 440,551.81, 607,991.57 and 249,566.77

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Solution

The fourth proportional to 440,551.81, 607,991.57 and 249,566.77 is: 344,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,551.81 : 607,991.57 = 249,566.77 : x
  2. Step 2: Convert to fraction form
    440,551.81/607,991.57 = 249,566.77/x
  3. Step 3: Cross multiply
    440,551.81x = 607,991.57 × 249,566.77
  4. Step 4: Simplify right side
    440,551.81x = 151,734,492,312.13
  5. Step 5: Solve for x
    x = 151,734,492,312.13/440,551.81
  6. Step 6: Final answer
    x = 344,419.18

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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.