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Finding the Fourth Proportional to 270,962.32, 373,970.64 and 163,547.68

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Solution

The fourth proportional to 270,962.32, 373,970.64 and 163,547.68 is: 225,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,962.32 : 373,970.64 = 163,547.68 : x
  2. Step 2: Convert to fraction form
    270,962.32/373,970.64 = 163,547.68/x
  3. Step 3: Cross multiply
    270,962.32x = 373,970.64 × 163,547.68
  4. Step 4: Simplify right side
    270,962.32x = 61,162,030,560.12
  5. Step 5: Solve for x
    x = 61,162,030,560.12/270,962.32
  6. Step 6: Final answer
    x = 225,721.53

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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.