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Finding the Fourth Proportional to 440,501.76, 607,872.96 and 249,511.32

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Solution

The fourth proportional to 440,501.76, 607,872.96 and 249,511.32 is: 344,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,501.76 : 607,872.96 = 249,511.32 : x
  2. Step 2: Convert to fraction form
    440,501.76/607,872.96 = 249,511.32/x
  3. Step 3: Cross multiply
    440,501.76x = 607,872.96 × 249,511.32
  4. Step 4: Simplify right side
    440,501.76x = 151,671,184,641.91
  5. Step 5: Solve for x
    x = 151,671,184,641.91/440,501.76
  6. Step 6: Final answer
    x = 344,314.59

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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.