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Finding the Fourth Proportional to 495,510.44, 683,427.66 and 342,802.76

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Solution

The fourth proportional to 495,510.44, 683,427.66 and 342,802.76 is: 472,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,510.44 : 683,427.66 = 342,802.76 : x
  2. Step 2: Convert to fraction form
    495,510.44/683,427.66 = 342,802.76/x
  3. Step 3: Cross multiply
    495,510.44x = 683,427.66 × 342,802.76
  4. Step 4: Simplify right side
    495,510.44x = 234,280,888,108.34
  5. Step 5: Solve for x
    x = 234,280,888,108.34/495,510.44
  6. Step 6: Final answer
    x = 472,807.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.