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Finding the Fourth Proportional to 586,283.40, 879,425.10 and 302,848.20

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Solution

The fourth proportional to 586,283.40, 879,425.10 and 302,848.20 is: 454,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,283.40 : 879,425.10 = 302,848.20 : x
  2. Step 2: Convert to fraction form
    586,283.40/879,425.10 = 302,848.20/x
  3. Step 3: Cross multiply
    586,283.40x = 879,425.10 × 302,848.20
  4. Step 4: Simplify right side
    586,283.40x = 266,332,308,569.82
  5. Step 5: Solve for x
    x = 266,332,308,569.82/586,283.40
  6. Step 6: Final answer
    x = 454,272.30

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Double scale
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Similar ratio
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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.