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Finding the Fourth Proportional to 261,698.40, 392,547.60 and 241,480.80

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Solution

The fourth proportional to 261,698.40, 392,547.60 and 241,480.80 is: 362,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,698.40 : 392,547.60 = 241,480.80 : x
  2. Step 2: Convert to fraction form
    261,698.40/392,547.60 = 241,480.80/x
  3. Step 3: Cross multiply
    261,698.40x = 392,547.60 × 241,480.80
  4. Step 4: Simplify right side
    261,698.40x = 94,792,708,486.08
  5. Step 5: Solve for x
    x = 94,792,708,486.08/261,698.40
  6. Step 6: Final answer
    x = 362,221.20

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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.