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Finding the Fourth Proportional to 440,365.32, 607,741.62 and 249,412.68

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Solution

The fourth proportional to 440,365.32, 607,741.62 and 249,412.68 is: 344,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,365.32 : 607,741.62 = 249,412.68 : x
  2. Step 2: Convert to fraction form
    440,365.32/607,741.62 = 249,412.68/x
  3. Step 3: Cross multiply
    440,365.32x = 607,741.62 × 249,412.68
  4. Step 4: Simplify right side
    440,365.32x = 151,578,466,191.74
  5. Step 5: Solve for x
    x = 151,578,466,191.74/440,365.32
  6. Step 6: Final answer
    x = 344,210.73

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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.