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Finding the Fourth Proportional to 583,280.60, 874,920.90 and 346,501.40

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Solution

The fourth proportional to 583,280.60, 874,920.90 and 346,501.40 is: 519,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,280.60 : 874,920.90 = 346,501.40 : x
  2. Step 2: Convert to fraction form
    583,280.60/874,920.90 = 346,501.40/x
  3. Step 3: Cross multiply
    583,280.60x = 874,920.90 × 346,501.40
  4. Step 4: Simplify right side
    583,280.60x = 303,161,316,739.26
  5. Step 5: Solve for x
    x = 303,161,316,739.26/583,280.60
  6. Step 6: Final answer
    x = 519,752.10

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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.