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Finding the Fourth Proportional to 480,341.46, 662,962.62 and 316,710.12

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Solution

The fourth proportional to 480,341.46, 662,962.62 and 316,710.12 is: 437,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,341.46 : 662,962.62 = 316,710.12 : x
  2. Step 2: Convert to fraction form
    480,341.46/662,962.62 = 316,710.12/x
  3. Step 3: Cross multiply
    480,341.46x = 662,962.62 × 316,710.12
  4. Step 4: Simplify right side
    480,341.46x = 209,966,970,935.71
  5. Step 5: Solve for x
    x = 209,966,970,935.71/480,341.46
  6. Step 6: Final answer
    x = 437,120.23

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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.