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Finding the Fourth Proportional to 583,385.60, 873,328.80 and 346,606.40

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Solution

The fourth proportional to 583,385.60, 873,328.80 and 346,606.40 is: 518,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,385.60 : 873,328.80 = 346,606.40 : x
  2. Step 2: Convert to fraction form
    583,385.60/873,328.80 = 346,606.40/x
  3. Step 3: Cross multiply
    583,385.60x = 873,328.80 × 346,606.40
  4. Step 4: Simplify right side
    583,385.60x = 302,701,351,384.32
  5. Step 5: Solve for x
    x = 302,701,351,384.32/583,385.60
  6. Step 6: Final answer
    x = 518,870.11

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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.