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Finding the Fourth Proportional to 440,323.84, 607,646.85 and 249,337.18

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Solution

The fourth proportional to 440,323.84, 607,646.85 and 249,337.18 is: 344,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,323.84 : 607,646.85 = 249,337.18 : x
  2. Step 2: Convert to fraction form
    440,323.84/607,646.85 = 249,337.18/x
  3. Step 3: Cross multiply
    440,323.84x = 607,646.85 × 249,337.18
  4. Step 4: Simplify right side
    440,323.84x = 151,508,952,014.88
  5. Step 5: Solve for x
    x = 151,508,952,014.88/440,323.84
  6. Step 6: Final answer
    x = 344,085.28

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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.