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Finding the Fourth Proportional to 480,547.30, 663,143.60 and 265,681.84

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Solution

The fourth proportional to 480,547.30, 663,143.60 and 265,681.84 is: 366,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,547.30 : 663,143.60 = 265,681.84 : x
  2. Step 2: Convert to fraction form
    480,547.30/663,143.60 = 265,681.84/x
  3. Step 3: Cross multiply
    480,547.30x = 663,143.60 × 265,681.84
  4. Step 4: Simplify right side
    480,547.30x = 176,185,211,832.22
  5. Step 5: Solve for x
    x = 176,185,211,832.22/480,547.30
  6. Step 6: Final answer
    x = 366,634.48

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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.