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Finding the Fourth Proportional to 922,613.32, 1,273,294.02 and 578,503.72

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Solution

The fourth proportional to 922,613.32, 1,273,294.02 and 578,503.72 is: 798,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,613.32 : 1,273,294.02 = 578,503.72 : x
  2. Step 2: Convert to fraction form
    922,613.32/1,273,294.02 = 578,503.72/x
  3. Step 3: Cross multiply
    922,613.32x = 1,273,294.02 × 578,503.72
  4. Step 4: Simplify right side
    922,613.32x = 736,605,327,223.75
  5. Step 5: Solve for x
    x = 736,605,327,223.75/922,613.32
  6. Step 6: Final answer
    x = 798,390.09

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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.