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Finding the Fourth Proportional to 583,277.60, 874,916.40 and 346,498.40

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Solution

The fourth proportional to 583,277.60, 874,916.40 and 346,498.40 is: 519,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,277.60 : 874,916.40 = 346,498.40 : x
  2. Step 2: Convert to fraction form
    583,277.60/874,916.40 = 346,498.40/x
  3. Step 3: Cross multiply
    583,277.60x = 874,916.40 × 346,498.40
  4. Step 4: Simplify right side
    583,277.60x = 303,157,132,733.76
  5. Step 5: Solve for x
    x = 303,157,132,733.76/583,277.60
  6. Step 6: Final answer
    x = 519,747.60

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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.