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Finding the Fourth Proportional to 677,304.54, 934,681.59 and 375,498.54

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Solution

The fourth proportional to 677,304.54, 934,681.59 and 375,498.54 is: 518,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,304.54 : 934,681.59 = 375,498.54 : x
  2. Step 2: Convert to fraction form
    677,304.54/934,681.59 = 375,498.54/x
  3. Step 3: Cross multiply
    677,304.54x = 934,681.59 × 375,498.54
  4. Step 4: Simplify right side
    677,304.54x = 350,971,573,807.84
  5. Step 5: Solve for x
    x = 350,971,573,807.84/677,304.54
  6. Step 6: Final answer
    x = 518,188.72

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Double scale
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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.