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Finding the Fourth Proportional to 924,870.42, 1,386,360 and 524,665.80

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Solution

The fourth proportional to 924,870.42, 1,386,360 and 524,665.80 is: 786,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,870.42 : 1,386,360 = 524,665.80 : x
  2. Step 2: Convert to fraction form
    924,870.42/1,386,360 = 524,665.80/x
  3. Step 3: Cross multiply
    924,870.42x = 1,386,360 × 524,665.80
  4. Step 4: Simplify right side
    924,870.42x = 727,375,678,488.00
  5. Step 5: Solve for x
    x = 727,375,678,488.00/924,870.42
  6. Step 6: Final answer
    x = 786,462.26

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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.