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Finding the Fourth Proportional to 607,838.40, 910,445.40 and 502,862.40

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Solution

The fourth proportional to 607,838.40, 910,445.40 and 502,862.40 is: 753,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,838.40 : 910,445.40 = 502,862.40 : x
  2. Step 2: Convert to fraction form
    607,838.40/910,445.40 = 502,862.40/x
  3. Step 3: Cross multiply
    607,838.40x = 910,445.40 × 502,862.40
  4. Step 4: Simplify right side
    607,838.40x = 457,828,758,912.96
  5. Step 5: Solve for x
    x = 457,828,758,912.96/607,838.40
  6. Step 6: Final answer
    x = 753,208.02

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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.