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Finding the Fourth Proportional to 360,547.42, 540,347.82 and 265,331.74

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Solution

The fourth proportional to 360,547.42, 540,347.82 and 265,331.74 is: 397,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,547.42 : 540,347.82 = 265,331.74 : x
  2. Step 2: Convert to fraction form
    360,547.42/540,347.82 = 265,331.74/x
  3. Step 3: Cross multiply
    360,547.42x = 540,347.82 × 265,331.74
  4. Step 4: Simplify right side
    360,547.42x = 143,371,427,285.81
  5. Step 5: Solve for x
    x = 143,371,427,285.81/360,547.42
  6. Step 6: Final answer
    x = 397,649.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.