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Finding the Fourth Proportional to 472,167.55, 708,389.22 and 152,312.35

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Solution

The fourth proportional to 472,167.55, 708,389.22 and 152,312.35 is: 228,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,167.55 : 708,389.22 = 152,312.35 : x
  2. Step 2: Convert to fraction form
    472,167.55/708,389.22 = 152,312.35/x
  3. Step 3: Cross multiply
    472,167.55x = 708,389.22 × 152,312.35
  4. Step 4: Simplify right side
    472,167.55x = 107,896,426,812.87
  5. Step 5: Solve for x
    x = 107,896,426,812.87/472,167.55
  6. Step 6: Final answer
    x = 228,513.01

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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.