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Finding the Fourth Proportional to 480,005.16, 662,402.88 and 265,160.16

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Solution

The fourth proportional to 480,005.16, 662,402.88 and 265,160.16 is: 365,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,005.16 : 662,402.88 = 265,160.16 : x
  2. Step 2: Convert to fraction form
    480,005.16/662,402.88 = 265,160.16/x
  3. Step 3: Cross multiply
    480,005.16x = 662,402.88 × 265,160.16
  4. Step 4: Simplify right side
    480,005.16x = 175,642,853,645.26
  5. Step 5: Solve for x
    x = 175,642,853,645.26/480,005.16
  6. Step 6: Final answer
    x = 365,918.68

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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.