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Finding the Fourth Proportional to 295,953.60, 443,962.80 and 286,622.40

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Solution

The fourth proportional to 295,953.60, 443,962.80 and 286,622.40 is: 429,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,953.60 : 443,962.80 = 286,622.40 : x
  2. Step 2: Convert to fraction form
    295,953.60/443,962.80 = 286,622.40/x
  3. Step 3: Cross multiply
    295,953.60x = 443,962.80 × 286,622.40
  4. Step 4: Simplify right side
    295,953.60x = 127,249,683,246.72
  5. Step 5: Solve for x
    x = 127,249,683,246.72/295,953.60
  6. Step 6: Final answer
    x = 429,964.98

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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.