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Finding the Fourth Proportional to 352,401.40, 528,602.10 and 346,569.40

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Solution

The fourth proportional to 352,401.40, 528,602.10 and 346,569.40 is: 519,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,401.40 : 528,602.10 = 346,569.40 : x
  2. Step 2: Convert to fraction form
    352,401.40/528,602.10 = 346,569.40/x
  3. Step 3: Cross multiply
    352,401.40x = 528,602.10 × 346,569.40
  4. Step 4: Simplify right side
    352,401.40x = 183,197,312,635.74
  5. Step 5: Solve for x
    x = 183,197,312,635.74/352,401.40
  6. Step 6: Final answer
    x = 519,854.10

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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.