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Finding the Fourth Proportional to 330,088,689.60, 495,133,034.40 and 177,033,681.60

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Solution

The fourth proportional to 330,088,689.60, 495,133,034.40 and 177,033,681.60 is: 265,550,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,088,689.60 : 495,133,034.40 = 177,033,681.60 : x
  2. Step 2: Convert to fraction form
    330,088,689.60/495,133,034.40 = 177,033,681.60/x
  3. Step 3: Cross multiply
    330,088,689.60x = 495,133,034.40 × 177,033,681.60
  4. Step 4: Simplify right side
    330,088,689.60x = 87,655,223,961,611,440
  5. Step 5: Solve for x
    x = 87,655,223,961,611,440/330,088,689.60
  6. Step 6: Final answer
    x = 265,550,522.40

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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.