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Finding the Fourth Proportional to 440,646.08, 608,090.10 and 249,695.87

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Solution

The fourth proportional to 440,646.08, 608,090.10 and 249,695.87 is: 344,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,646.08 : 608,090.10 = 249,695.87 : x
  2. Step 2: Convert to fraction form
    440,646.08/608,090.10 = 249,695.87/x
  3. Step 3: Cross multiply
    440,646.08x = 608,090.10 × 249,695.87
  4. Step 4: Simplify right side
    440,646.08x = 151,837,586,557.89
  5. Step 5: Solve for x
    x = 151,837,586,557.89/440,646.08
  6. Step 6: Final answer
    x = 344,579.46

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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.